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Finding the Fourth Proportional to 24,347.88, 36,499.68 and 12,669.12

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Solution

The fourth proportional to 24,347.88, 36,499.68 and 12,669.12 is: 18,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,347.88 : 36,499.68 = 12,669.12 : x
  2. Step 2: Convert to fraction form
    24,347.88/36,499.68 = 12,669.12/x
  3. Step 3: Cross multiply
    24,347.88x = 36,499.68 × 12,669.12
  4. Step 4: Simplify right side
    24,347.88x = 462,418,825.88
  5. Step 5: Solve for x
    x = 462,418,825.88/24,347.88
  6. Step 6: Final answer
    x = 18,992.16

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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.