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Finding the Fourth Proportional to 57,447.72, 79,275.78 and 32,299.56

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Solution

The fourth proportional to 57,447.72, 79,275.78 and 32,299.56 is: 44,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.72 : 79,275.78 = 32,299.56 : x
  2. Step 2: Convert to fraction form
    57,447.72/79,275.78 = 32,299.56/x
  3. Step 3: Cross multiply
    57,447.72x = 79,275.78 × 32,299.56
  4. Step 4: Simplify right side
    57,447.72x = 2,560,572,812.66
  5. Step 5: Solve for x
    x = 2,560,572,812.66/57,447.72
  6. Step 6: Final answer
    x = 44,572.23

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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.