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Finding the Fourth Proportional to 24,238.40, 36,350.40 and 9,438.80

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Solution

The fourth proportional to 24,238.40, 36,350.40 and 9,438.80 is: 14,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,238.40 : 36,350.40 = 9,438.80 : x
  2. Step 2: Convert to fraction form
    24,238.40/36,350.40 = 9,438.80/x
  3. Step 3: Cross multiply
    24,238.40x = 36,350.40 × 9,438.80
  4. Step 4: Simplify right side
    24,238.40x = 343,104,155.52
  5. Step 5: Solve for x
    x = 343,104,155.52/24,238.40
  6. Step 6: Final answer
    x = 14,155.40

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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.