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Finding the Fourth Proportional to 24,687.99, 36,988.25 and 16,858.53

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Solution

The fourth proportional to 24,687.99, 36,988.25 and 16,858.53 is: 25,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,687.99 : 36,988.25 = 16,858.53 : x
  2. Step 2: Convert to fraction form
    24,687.99/36,988.25 = 16,858.53/x
  3. Step 3: Cross multiply
    24,687.99x = 36,988.25 × 16,858.53
  4. Step 4: Simplify right side
    24,687.99x = 623,567,437.98
  5. Step 5: Solve for x
    x = 623,567,437.98/24,687.99
  6. Step 6: Final answer
    x = 25,257.93

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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.