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Finding the Fourth Proportional to 58,960.86, 88,455.11 and 19,517.96

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Solution

The fourth proportional to 58,960.86, 88,455.11 and 19,517.96 is: 29,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,960.86 : 88,455.11 = 19,517.96 : x
  2. Step 2: Convert to fraction form
    58,960.86/88,455.11 = 19,517.96/x
  3. Step 3: Cross multiply
    58,960.86x = 88,455.11 × 19,517.96
  4. Step 4: Simplify right side
    58,960.86x = 1,726,462,758.91
  5. Step 5: Solve for x
    x = 1,726,462,758.91/58,960.86
  6. Step 6: Final answer
    x = 29,281.51

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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.