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Finding the Fourth Proportional to 6,630.48, 9,945.72 and 3,346.35

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Solution

The fourth proportional to 6,630.48, 9,945.72 and 3,346.35 is: 5,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.48 : 9,945.72 = 3,346.35 : x
  2. Step 2: Convert to fraction form
    6,630.48/9,945.72 = 3,346.35/x
  3. Step 3: Cross multiply
    6,630.48x = 9,945.72 × 3,346.35
  4. Step 4: Simplify right side
    6,630.48x = 33,281,860.12
  5. Step 5: Solve for x
    x = 33,281,860.12/6,630.48
  6. Step 6: Final answer
    x = 5,019.53

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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.