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Finding the Fourth Proportional to 4,753.72, 6,560.22 and 2,657.80

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Solution

The fourth proportional to 4,753.72, 6,560.22 and 2,657.80 is: 3,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.72 : 6,560.22 = 2,657.80 : x
  2. Step 2: Convert to fraction form
    4,753.72/6,560.22 = 2,657.80/x
  3. Step 3: Cross multiply
    4,753.72x = 6,560.22 × 2,657.80
  4. Step 4: Simplify right side
    4,753.72x = 17,435,752.72
  5. Step 5: Solve for x
    x = 17,435,752.72/4,753.72
  6. Step 6: Final answer
    x = 3,667.81

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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.