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Finding the Fourth Proportional to 59,186.71, 88,818.90 and 21,747.09

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Solution

The fourth proportional to 59,186.71, 88,818.90 and 21,747.09 is: 32,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,186.71 : 88,818.90 = 21,747.09 : x
  2. Step 2: Convert to fraction form
    59,186.71/88,818.90 = 21,747.09/x
  3. Step 3: Cross multiply
    59,186.71x = 88,818.90 × 21,747.09
  4. Step 4: Simplify right side
    59,186.71x = 1,931,552,612.00
  5. Step 5: Solve for x
    x = 1,931,552,612.00/59,186.71
  6. Step 6: Final answer
    x = 32,634.90

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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.