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Finding the Fourth Proportional to 58,929.77, 88,385.88 and 19,487.09

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Solution

The fourth proportional to 58,929.77, 88,385.88 and 19,487.09 is: 29,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,929.77 : 88,385.88 = 19,487.09 : x
  2. Step 2: Convert to fraction form
    58,929.77/88,385.88 = 19,487.09/x
  3. Step 3: Cross multiply
    58,929.77x = 88,385.88 × 19,487.09
  4. Step 4: Simplify right side
    58,929.77x = 1,722,383,598.29
  5. Step 5: Solve for x
    x = 1,722,383,598.29/58,929.77
  6. Step 6: Final answer
    x = 29,227.73

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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.