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Finding the Fourth Proportional to 5,658.12, 8,487.18 and 2,368.91

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Solution

The fourth proportional to 5,658.12, 8,487.18 and 2,368.91 is: 3,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.12 : 8,487.18 = 2,368.91 : x
  2. Step 2: Convert to fraction form
    5,658.12/8,487.18 = 2,368.91/x
  3. Step 3: Cross multiply
    5,658.12x = 8,487.18 × 2,368.91
  4. Step 4: Simplify right side
    5,658.12x = 20,105,358.48
  5. Step 5: Solve for x
    x = 20,105,358.48/5,658.12
  6. Step 6: Final answer
    x = 3,553.36

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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.