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Finding the Fourth Proportional to 5,654.44, 8,479.42 and 4,089.68

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Solution

The fourth proportional to 5,654.44, 8,479.42 and 4,089.68 is: 6,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.44 : 8,479.42 = 4,089.68 : x
  2. Step 2: Convert to fraction form
    5,654.44/8,479.42 = 4,089.68/x
  3. Step 3: Cross multiply
    5,654.44x = 8,479.42 × 4,089.68
  4. Step 4: Simplify right side
    5,654.44x = 34,678,114.39
  5. Step 5: Solve for x
    x = 34,678,114.39/5,654.44
  6. Step 6: Final answer
    x = 6,132.90

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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.