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Finding the Fourth Proportional to 58,398.72, 87,590.40 and 16,849.92

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Solution

The fourth proportional to 58,398.72, 87,590.40 and 16,849.92 is: 25,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,398.72 : 87,590.40 = 16,849.92 : x
  2. Step 2: Convert to fraction form
    58,398.72/87,590.40 = 16,849.92/x
  3. Step 3: Cross multiply
    58,398.72x = 87,590.40 × 16,849.92
  4. Step 4: Simplify right side
    58,398.72x = 1,475,891,232.77
  5. Step 5: Solve for x
    x = 1,475,891,232.77/58,398.72
  6. Step 6: Final answer
    x = 25,272.66

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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.