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Finding the Fourth Proportional to 6,658.19, 9,990.11 and 2,497.60

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Solution

The fourth proportional to 6,658.19, 9,990.11 and 2,497.60 is: 3,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.19 : 9,990.11 = 2,497.60 : x
  2. Step 2: Convert to fraction form
    6,658.19/9,990.11 = 2,497.60/x
  3. Step 3: Cross multiply
    6,658.19x = 9,990.11 × 2,497.60
  4. Step 4: Simplify right side
    6,658.19x = 24,951,298.74
  5. Step 5: Solve for x
    x = 24,951,298.74/6,658.19
  6. Step 6: Final answer
    x = 3,747.46

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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.