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Finding the Fourth Proportional to 59,491.80, 89,141.22 and 31,410.36

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Solution

The fourth proportional to 59,491.80, 89,141.22 and 31,410.36 is: 47,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,491.80 : 89,141.22 = 31,410.36 : x
  2. Step 2: Convert to fraction form
    59,491.80/89,141.22 = 31,410.36/x
  3. Step 3: Cross multiply
    59,491.80x = 89,141.22 × 31,410.36
  4. Step 4: Simplify right side
    59,491.80x = 2,799,957,811.04
  5. Step 5: Solve for x
    x = 2,799,957,811.04/59,491.80
  6. Step 6: Final answer
    x = 47,064.60

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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.