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Finding the Fourth Proportional to 64,739.40, 97,112.30 and 33,635.40

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Solution

The fourth proportional to 64,739.40, 97,112.30 and 33,635.40 is: 50,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,739.40 : 97,112.30 = 33,635.40 : x
  2. Step 2: Convert to fraction form
    64,739.40/97,112.30 = 33,635.40/x
  3. Step 3: Cross multiply
    64,739.40x = 97,112.30 × 33,635.40
  4. Step 4: Simplify right side
    64,739.40x = 3,266,411,055.42
  5. Step 5: Solve for x
    x = 3,266,411,055.42/64,739.40
  6. Step 6: Final answer
    x = 50,454.76

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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.