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Finding the Fourth Proportional to 58,677.92, 88,029.13 and 19,231.93

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Solution

The fourth proportional to 58,677.92, 88,029.13 and 19,231.93 is: 28,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,677.92 : 88,029.13 = 19,231.93 : x
  2. Step 2: Convert to fraction form
    58,677.92/88,029.13 = 19,231.93/x
  3. Step 3: Cross multiply
    58,677.92x = 88,029.13 × 19,231.93
  4. Step 4: Simplify right side
    58,677.92x = 1,692,969,797.97
  5. Step 5: Solve for x
    x = 1,692,969,797.97/58,677.92
  6. Step 6: Final answer
    x = 28,851.91

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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.