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Finding the Fourth Proportional to 5,652.78, 8,472.48 and 4,261.56

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Solution

The fourth proportional to 5,652.78, 8,472.48 and 4,261.56 is: 6,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.78 : 8,472.48 = 4,261.56 : x
  2. Step 2: Convert to fraction form
    5,652.78/8,472.48 = 4,261.56/x
  3. Step 3: Cross multiply
    5,652.78x = 8,472.48 × 4,261.56
  4. Step 4: Simplify right side
    5,652.78x = 36,105,981.87
  5. Step 5: Solve for x
    x = 36,105,981.87/5,652.78
  6. Step 6: Final answer
    x = 6,387.30

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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.