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Finding the Fourth Proportional to 59,363.20, 81,921.22 and 32,505.72

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Solution

The fourth proportional to 59,363.20, 81,921.22 and 32,505.72 is: 44,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,363.20 : 81,921.22 = 32,505.72 : x
  2. Step 2: Convert to fraction form
    59,363.20/81,921.22 = 32,505.72/x
  3. Step 3: Cross multiply
    59,363.20x = 81,921.22 × 32,505.72
  4. Step 4: Simplify right side
    59,363.20x = 2,662,908,239.38
  5. Step 5: Solve for x
    x = 2,662,908,239.38/59,363.20
  6. Step 6: Final answer
    x = 44,857.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.