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Finding the Fourth Proportional to 62,409.40, 93,614.10 and 36,165.40

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Solution

The fourth proportional to 62,409.40, 93,614.10 and 36,165.40 is: 54,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.40 : 93,614.10 = 36,165.40 : x
  2. Step 2: Convert to fraction form
    62,409.40/93,614.10 = 36,165.40/x
  3. Step 3: Cross multiply
    62,409.40x = 93,614.10 × 36,165.40
  4. Step 4: Simplify right side
    62,409.40x = 3,385,591,372.14
  5. Step 5: Solve for x
    x = 3,385,591,372.14/62,409.40
  6. Step 6: Final answer
    x = 54,248.10

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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.