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Finding the Fourth Proportional to 24,579.80, 36,875.20 and 13,480.80

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Solution

The fourth proportional to 24,579.80, 36,875.20 and 13,480.80 is: 20,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,579.80 : 36,875.20 = 13,480.80 : x
  2. Step 2: Convert to fraction form
    24,579.80/36,875.20 = 13,480.80/x
  3. Step 3: Cross multiply
    24,579.80x = 36,875.20 × 13,480.80
  4. Step 4: Simplify right side
    24,579.80x = 497,107,196.16
  5. Step 5: Solve for x
    x = 497,107,196.16/24,579.80
  6. Step 6: Final answer
    x = 20,224.22

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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.