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Finding the Fourth Proportional to 7,082.68, 10,624.02 and 1,888.55

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Solution

The fourth proportional to 7,082.68, 10,624.02 and 1,888.55 is: 2,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.68 : 10,624.02 = 1,888.55 : x
  2. Step 2: Convert to fraction form
    7,082.68/10,624.02 = 1,888.55/x
  3. Step 3: Cross multiply
    7,082.68x = 10,624.02 × 1,888.55
  4. Step 4: Simplify right side
    7,082.68x = 20,063,992.97
  5. Step 5: Solve for x
    x = 20,063,992.97/7,082.68
  6. Step 6: Final answer
    x = 2,832.83

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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.