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Finding the Fourth Proportional to 24,598.91, 36,909.21 and 12,909.31

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Solution

The fourth proportional to 24,598.91, 36,909.21 and 12,909.31 is: 19,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,598.91 : 36,909.21 = 12,909.31 : x
  2. Step 2: Convert to fraction form
    24,598.91/36,909.21 = 12,909.31/x
  3. Step 3: Cross multiply
    24,598.91x = 36,909.21 × 12,909.31
  4. Step 4: Simplify right side
    24,598.91x = 476,472,369.20
  5. Step 5: Solve for x
    x = 476,472,369.20/24,598.91
  6. Step 6: Final answer
    x = 19,369.65

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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.