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Finding the Fourth Proportional to 42,654.40, 63,981.60 and 41,502.40

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Solution

The fourth proportional to 42,654.40, 63,981.60 and 41,502.40 is: 62,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.40 : 63,981.60 = 41,502.40 : x
  2. Step 2: Convert to fraction form
    42,654.40/63,981.60 = 41,502.40/x
  3. Step 3: Cross multiply
    42,654.40x = 63,981.60 × 41,502.40
  4. Step 4: Simplify right side
    42,654.40x = 2,655,389,955.84
  5. Step 5: Solve for x
    x = 2,655,389,955.84/42,654.40
  6. Step 6: Final answer
    x = 62,253.60

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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.