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Finding the Fourth Proportional to 62,402.40, 86,313.60 and 59,486.40

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Solution

The fourth proportional to 62,402.40, 86,313.60 and 59,486.40 is: 82,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,402.40 : 86,313.60 = 59,486.40 : x
  2. Step 2: Convert to fraction form
    62,402.40/86,313.60 = 59,486.40/x
  3. Step 3: Cross multiply
    62,402.40x = 86,313.60 × 59,486.40
  4. Step 4: Simplify right side
    62,402.40x = 5,134,485,335.04
  5. Step 5: Solve for x
    x = 5,134,485,335.04/62,402.40
  6. Step 6: Final answer
    x = 82,280.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.