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Finding the Fourth Proportional to 24,348.60, 36,522.90 and 12,660.30

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Solution

The fourth proportional to 24,348.60, 36,522.90 and 12,660.30 is: 18,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,348.60 : 36,522.90 = 12,660.30 : x
  2. Step 2: Convert to fraction form
    24,348.60/36,522.90 = 12,660.30/x
  3. Step 3: Cross multiply
    24,348.60x = 36,522.90 × 12,660.30
  4. Step 4: Simplify right side
    24,348.60x = 462,390,870.87
  5. Step 5: Solve for x
    x = 462,390,870.87/24,348.60
  6. Step 6: Final answer
    x = 18,990.45

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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.