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Finding the Fourth Proportional to 6,866.50, 9,472.60 and 4,032.96

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Solution

The fourth proportional to 6,866.50, 9,472.60 and 4,032.96 is: 5,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.50 : 9,472.60 = 4,032.96 : x
  2. Step 2: Convert to fraction form
    6,866.50/9,472.60 = 4,032.96/x
  3. Step 3: Cross multiply
    6,866.50x = 9,472.60 × 4,032.96
  4. Step 4: Simplify right side
    6,866.50x = 38,202,616.90
  5. Step 5: Solve for x
    x = 38,202,616.90/6,866.50
  6. Step 6: Final answer
    x = 5,563.62

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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.