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Finding the Fourth Proportional to 16,487.47, 24,729.99 and 5,393.98

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Solution

The fourth proportional to 16,487.47, 24,729.99 and 5,393.98 is: 8,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.47 : 24,729.99 = 5,393.98 : x
  2. Step 2: Convert to fraction form
    16,487.47/24,729.99 = 5,393.98/x
  3. Step 3: Cross multiply
    16,487.47x = 24,729.99 × 5,393.98
  4. Step 4: Simplify right side
    16,487.47x = 133,393,071.46
  5. Step 5: Solve for x
    x = 133,393,071.46/16,487.47
  6. Step 6: Final answer
    x = 8,090.57

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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.