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Finding the Fourth Proportional to 59,871.60, 89,710.20 and 37,645.20

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Solution

The fourth proportional to 59,871.60, 89,710.20 and 37,645.20 is: 56,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871.60 : 89,710.20 = 37,645.20 : x
  2. Step 2: Convert to fraction form
    59,871.60/89,710.20 = 37,645.20/x
  3. Step 3: Cross multiply
    59,871.60x = 89,710.20 × 37,645.20
  4. Step 4: Simplify right side
    59,871.60x = 3,377,158,421.04
  5. Step 5: Solve for x
    x = 3,377,158,421.04/59,871.60
  6. Step 6: Final answer
    x = 56,406.68

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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.