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Finding the Fourth Proportional to 24,259.92, 36,389.88 and 7,621.41

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Solution

The fourth proportional to 24,259.92, 36,389.88 and 7,621.41 is: 11,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,259.92 : 36,389.88 = 7,621.41 : x
  2. Step 2: Convert to fraction form
    24,259.92/36,389.88 = 7,621.41/x
  3. Step 3: Cross multiply
    24,259.92x = 36,389.88 × 7,621.41
  4. Step 4: Simplify right side
    24,259.92x = 277,342,195.33
  5. Step 5: Solve for x
    x = 277,342,195.33/24,259.92
  6. Step 6: Final answer
    x = 11,432.12

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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.