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Finding the Fourth Proportional to 40,369.20, 60,438.60 and 24,817.20

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Solution

The fourth proportional to 40,369.20, 60,438.60 and 24,817.20 is: 37,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.20 : 60,438.60 = 24,817.20 : x
  2. Step 2: Convert to fraction form
    40,369.20/60,438.60 = 24,817.20/x
  3. Step 3: Cross multiply
    40,369.20x = 60,438.60 × 24,817.20
  4. Step 4: Simplify right side
    40,369.20x = 1,499,916,823.92
  5. Step 5: Solve for x
    x = 1,499,916,823.92/40,369.20
  6. Step 6: Final answer
    x = 37,154.98

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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.