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Finding the Fourth Proportional to 59,378.31, 89,068.58 and 27,770.89

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Solution

The fourth proportional to 59,378.31, 89,068.58 and 27,770.89 is: 41,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.31 : 89,068.58 = 27,770.89 : x
  2. Step 2: Convert to fraction form
    59,378.31/89,068.58 = 27,770.89/x
  3. Step 3: Cross multiply
    59,378.31x = 89,068.58 × 27,770.89
  4. Step 4: Simplify right side
    59,378.31x = 2,473,513,737.64
  5. Step 5: Solve for x
    x = 2,473,513,737.64/59,378.31
  6. Step 6: Final answer
    x = 41,656.86

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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.