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Finding the Fourth Proportional to 58,957.66, 88,442.16 and 16,839.28

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Solution

The fourth proportional to 58,957.66, 88,442.16 and 16,839.28 is: 25,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,957.66 : 88,442.16 = 16,839.28 : x
  2. Step 2: Convert to fraction form
    58,957.66/88,442.16 = 16,839.28/x
  3. Step 3: Cross multiply
    58,957.66x = 88,442.16 × 16,839.28
  4. Step 4: Simplify right side
    58,957.66x = 1,489,302,296.04
  5. Step 5: Solve for x
    x = 1,489,302,296.04/58,957.66
  6. Step 6: Final answer
    x = 25,260.54

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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.