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Finding the Fourth Proportional to 59,842.81, 89,767.29 and 15,469.95

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Solution

The fourth proportional to 59,842.81, 89,767.29 and 15,469.95 is: 23,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,842.81 : 89,767.29 = 15,469.95 : x
  2. Step 2: Convert to fraction form
    59,842.81/89,767.29 = 15,469.95/x
  3. Step 3: Cross multiply
    59,842.81x = 89,767.29 × 15,469.95
  4. Step 4: Simplify right side
    59,842.81x = 1,388,695,038.15
  5. Step 5: Solve for x
    x = 1,388,695,038.15/59,842.81
  6. Step 6: Final answer
    x = 23,205.71

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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.