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Finding the Fourth Proportional to 5,691.73, 8,538.51 and 2,404.86

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Solution

The fourth proportional to 5,691.73, 8,538.51 and 2,404.86 is: 3,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.73 : 8,538.51 = 2,404.86 : x
  2. Step 2: Convert to fraction form
    5,691.73/8,538.51 = 2,404.86/x
  3. Step 3: Cross multiply
    5,691.73x = 8,538.51 × 2,404.86
  4. Step 4: Simplify right side
    5,691.73x = 20,533,878.47
  5. Step 5: Solve for x
    x = 20,533,878.47/5,691.73
  6. Step 6: Final answer
    x = 3,607.67

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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.