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Finding the Fourth Proportional to 6,866.20, 9,472.16 and 4,032.65

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Solution

The fourth proportional to 6,866.20, 9,472.16 and 4,032.65 is: 5,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.20 : 9,472.16 = 4,032.65 : x
  2. Step 2: Convert to fraction form
    6,866.20/9,472.16 = 4,032.65/x
  3. Step 3: Cross multiply
    6,866.20x = 9,472.16 × 4,032.65
  4. Step 4: Simplify right side
    6,866.20x = 38,197,906.02
  5. Step 5: Solve for x
    x = 38,197,906.02/6,866.20
  6. Step 6: Final answer
    x = 5,563.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.