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Finding the Fourth Proportional to 8,767.89, 13,151.90 and 2,924.49

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Solution

The fourth proportional to 8,767.89, 13,151.90 and 2,924.49 is: 4,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.89 : 13,151.90 = 2,924.49 : x
  2. Step 2: Convert to fraction form
    8,767.89/13,151.90 = 2,924.49/x
  3. Step 3: Cross multiply
    8,767.89x = 13,151.90 × 2,924.49
  4. Step 4: Simplify right side
    8,767.89x = 38,462,585.41
  5. Step 5: Solve for x
    x = 38,462,585.41/8,767.89
  6. Step 6: Final answer
    x = 4,386.76

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Similar ratio
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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.