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Finding the Fourth Proportional to 59,720.71, 89,594.02 and 18,166.63

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Solution

The fourth proportional to 59,720.71, 89,594.02 and 18,166.63 is: 27,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,720.71 : 89,594.02 = 18,166.63 : x
  2. Step 2: Convert to fraction form
    59,720.71/89,594.02 = 18,166.63/x
  3. Step 3: Cross multiply
    59,720.71x = 89,594.02 × 18,166.63
  4. Step 4: Simplify right side
    59,720.71x = 1,627,620,918.17
  5. Step 5: Solve for x
    x = 1,627,620,918.17/59,720.71
  6. Step 6: Final answer
    x = 27,253.88

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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.