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Finding the Fourth Proportional to 59,321.52, 81,857.88 and 35,117.28

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Solution

The fourth proportional to 59,321.52, 81,857.88 and 35,117.28 is: 48,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,321.52 : 81,857.88 = 35,117.28 : x
  2. Step 2: Convert to fraction form
    59,321.52/81,857.88 = 35,117.28/x
  3. Step 3: Cross multiply
    59,321.52x = 81,857.88 × 35,117.28
  4. Step 4: Simplify right side
    59,321.52x = 2,874,626,092.17
  5. Step 5: Solve for x
    x = 2,874,626,092.17/59,321.52
  6. Step 6: Final answer
    x = 48,458.40

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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.