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Finding the Fourth Proportional to 5,660.42, 8,488.80 and 4,104

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Solution

The fourth proportional to 5,660.42, 8,488.80 and 4,104 is: 6,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.42 : 8,488.80 = 4,104 : x
  2. Step 2: Convert to fraction form
    5,660.42/8,488.80 = 4,104/x
  3. Step 3: Cross multiply
    5,660.42x = 8,488.80 × 4,104
  4. Step 4: Simplify right side
    5,660.42x = 34,838,035.20
  5. Step 5: Solve for x
    x = 34,838,035.20/5,660.42
  6. Step 6: Final answer
    x = 6,154.68

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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.