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Finding the Fourth Proportional to 8,769.72, 13,154.58 and 3,574.68

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Solution

The fourth proportional to 8,769.72, 13,154.58 and 3,574.68 is: 5,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.72 : 13,154.58 = 3,574.68 : x
  2. Step 2: Convert to fraction form
    8,769.72/13,154.58 = 3,574.68/x
  3. Step 3: Cross multiply
    8,769.72x = 13,154.58 × 3,574.68
  4. Step 4: Simplify right side
    8,769.72x = 47,023,414.03
  5. Step 5: Solve for x
    x = 47,023,414.03/8,769.72
  6. Step 6: Final answer
    x = 5,362.02

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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.