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Finding the Fourth Proportional to 3,702,387.60, 5,553,581.40 and 3,371,713.20

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Solution

The fourth proportional to 3,702,387.60, 5,553,581.40 and 3,371,713.20 is: 5,057,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702,387.60 : 5,553,581.40 = 3,371,713.20 : x
  2. Step 2: Convert to fraction form
    3,702,387.60/5,553,581.40 = 3,371,713.20/x
  3. Step 3: Cross multiply
    3,702,387.60x = 5,553,581.40 × 3,371,713.20
  4. Step 4: Simplify right side
    3,702,387.60x = 18,725,083,713,654.48
  5. Step 5: Solve for x
    x = 18,725,083,713,654.48/3,702,387.60
  6. Step 6: Final answer
    x = 5,057,569.80

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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.