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Finding the Fourth Proportional to 6,126,646.30, 9,189,969.45 and 6,126,646.30

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Solution

The fourth proportional to 6,126,646.30, 9,189,969.45 and 6,126,646.30 is: 9,189,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126,646.30 : 9,189,969.45 = 6,126,646.30 : x
  2. Step 2: Convert to fraction form
    6,126,646.30/9,189,969.45 = 6,126,646.30/x
  3. Step 3: Cross multiply
    6,126,646.30x = 9,189,969.45 × 6,126,646.30
  4. Step 4: Simplify right side
    6,126,646.30x = 56,303,692,327,955.53
  5. Step 5: Solve for x
    x = 56,303,692,327,955.53/6,126,646.30
  6. Step 6: Final answer
    x = 9,189,969.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.