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Finding the Fourth Proportional to 6,658.28, 9,973.36 and 4,017.56

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Solution

The fourth proportional to 6,658.28, 9,973.36 and 4,017.56 is: 6,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.28 : 9,973.36 = 4,017.56 : x
  2. Step 2: Convert to fraction form
    6,658.28/9,973.36 = 4,017.56/x
  3. Step 3: Cross multiply
    6,658.28x = 9,973.36 × 4,017.56
  4. Step 4: Simplify right side
    6,658.28x = 40,068,572.20
  5. Step 5: Solve for x
    x = 40,068,572.20/6,658.28
  6. Step 6: Final answer
    x = 6,017.86

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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.