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Finding the Fourth Proportional to 24,474.72, 36,712.08 and 20,146.08

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Solution

The fourth proportional to 24,474.72, 36,712.08 and 20,146.08 is: 30,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,474.72 : 36,712.08 = 20,146.08 : x
  2. Step 2: Convert to fraction form
    24,474.72/36,712.08 = 20,146.08/x
  3. Step 3: Cross multiply
    24,474.72x = 36,712.08 × 20,146.08
  4. Step 4: Simplify right side
    24,474.72x = 739,604,500.65
  5. Step 5: Solve for x
    x = 739,604,500.65/24,474.72
  6. Step 6: Final answer
    x = 30,219.12

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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.