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Finding the Fourth Proportional to 24,516.76, 36,780.90 and 6,986.84

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Solution

The fourth proportional to 24,516.76, 36,780.90 and 6,986.84 is: 10,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,516.76 : 36,780.90 = 6,986.84 : x
  2. Step 2: Convert to fraction form
    24,516.76/36,780.90 = 6,986.84/x
  3. Step 3: Cross multiply
    24,516.76x = 36,780.90 × 6,986.84
  4. Step 4: Simplify right side
    24,516.76x = 256,982,263.36
  5. Step 5: Solve for x
    x = 256,982,263.36/24,516.76
  6. Step 6: Final answer
    x = 10,481.90

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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.