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Finding the Fourth Proportional to 24,145.60, 36,169.80 and 13,745.20

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Solution

The fourth proportional to 24,145.60, 36,169.80 and 13,745.20 is: 20,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,145.60 : 36,169.80 = 13,745.20 : x
  2. Step 2: Convert to fraction form
    24,145.60/36,169.80 = 13,745.20/x
  3. Step 3: Cross multiply
    24,145.60x = 36,169.80 × 13,745.20
  4. Step 4: Simplify right side
    24,145.60x = 497,161,134.96
  5. Step 5: Solve for x
    x = 497,161,134.96/24,145.60
  6. Step 6: Final answer
    x = 20,590.13

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1.5x scale

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.