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Finding the Fourth Proportional to 58,966.60, 88,304.10 and 39,137.80

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Solution

The fourth proportional to 58,966.60, 88,304.10 and 39,137.80 is: 58,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,966.60 : 88,304.10 = 39,137.80 : x
  2. Step 2: Convert to fraction form
    58,966.60/88,304.10 = 39,137.80/x
  3. Step 3: Cross multiply
    58,966.60x = 88,304.10 × 39,137.80
  4. Step 4: Simplify right side
    58,966.60x = 3,456,028,204.98
  5. Step 5: Solve for x
    x = 3,456,028,204.98/58,966.60
  6. Step 6: Final answer
    x = 58,609.93

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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.