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Finding the Fourth Proportional to 58,810.33, 88,218.87 and 16,687.11

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Solution

The fourth proportional to 58,810.33, 88,218.87 and 16,687.11 is: 25,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,810.33 : 88,218.87 = 16,687.11 : x
  2. Step 2: Convert to fraction form
    58,810.33/88,218.87 = 16,687.11/x
  3. Step 3: Cross multiply
    58,810.33x = 88,218.87 × 16,687.11
  4. Step 4: Simplify right side
    58,810.33x = 1,472,117,987.77
  5. Step 5: Solve for x
    x = 1,472,117,987.77/58,810.33
  6. Step 6: Final answer
    x = 25,031.62

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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.