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Finding the Fourth Proportional to 24,729.84, 34,130.04 and 14,121

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Solution

The fourth proportional to 24,729.84, 34,130.04 and 14,121 is: 19,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,729.84 : 34,130.04 = 14,121 : x
  2. Step 2: Convert to fraction form
    24,729.84/34,130.04 = 14,121/x
  3. Step 3: Cross multiply
    24,729.84x = 34,130.04 × 14,121
  4. Step 4: Simplify right side
    24,729.84x = 481,950,294.84
  5. Step 5: Solve for x
    x = 481,950,294.84/24,729.84
  6. Step 6: Final answer
    x = 19,488.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.