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Finding the Fourth Proportional to 6,627.72, 9,981.03 and 5,772.36

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Solution

The fourth proportional to 6,627.72, 9,981.03 and 5,772.36 is: 8,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.72 : 9,981.03 = 5,772.36 : x
  2. Step 2: Convert to fraction form
    6,627.72/9,981.03 = 5,772.36/x
  3. Step 3: Cross multiply
    6,627.72x = 9,981.03 × 5,772.36
  4. Step 4: Simplify right side
    6,627.72x = 57,614,098.33
  5. Step 5: Solve for x
    x = 57,614,098.33/6,627.72
  6. Step 6: Final answer
    x = 8,692.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.