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Finding the Fourth Proportional to 5,788.55, 8,687.71 and 4,475.84

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Solution

The fourth proportional to 5,788.55, 8,687.71 and 4,475.84 is: 6,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.55 : 8,687.71 = 4,475.84 : x
  2. Step 2: Convert to fraction form
    5,788.55/8,687.71 = 4,475.84/x
  3. Step 3: Cross multiply
    5,788.55x = 8,687.71 × 4,475.84
  4. Step 4: Simplify right side
    5,788.55x = 38,884,799.93
  5. Step 5: Solve for x
    x = 38,884,799.93/5,788.55
  6. Step 6: Final answer
    x = 6,717.54

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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.