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Finding the Fourth Proportional to 24,615.38, 36,919.43 and 7,976.87

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Solution

The fourth proportional to 24,615.38, 36,919.43 and 7,976.87 is: 11,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,615.38 : 36,919.43 = 7,976.87 : x
  2. Step 2: Convert to fraction form
    24,615.38/36,919.43 = 7,976.87/x
  3. Step 3: Cross multiply
    24,615.38x = 36,919.43 × 7,976.87
  4. Step 4: Simplify right side
    24,615.38x = 294,501,493.58
  5. Step 5: Solve for x
    x = 294,501,493.58/24,615.38
  6. Step 6: Final answer
    x = 11,964.13

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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.