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Finding the Fourth Proportional to 59,941.89, 89,912.88 and 15,564.92

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Solution

The fourth proportional to 59,941.89, 89,912.88 and 15,564.92 is: 23,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,941.89 : 89,912.88 = 15,564.92 : x
  2. Step 2: Convert to fraction form
    59,941.89/89,912.88 = 15,564.92/x
  3. Step 3: Cross multiply
    59,941.89x = 89,912.88 × 15,564.92
  4. Step 4: Simplify right side
    59,941.89x = 1,399,486,334.61
  5. Step 5: Solve for x
    x = 1,399,486,334.61/59,941.89
  6. Step 6: Final answer
    x = 23,347.38

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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.