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Finding the Fourth Proportional to 57,869.28, 79,860.96 and 32,718.96

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Solution

The fourth proportional to 57,869.28, 79,860.96 and 32,718.96 is: 45,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,869.28 : 79,860.96 = 32,718.96 : x
  2. Step 2: Convert to fraction form
    57,869.28/79,860.96 = 32,718.96/x
  3. Step 3: Cross multiply
    57,869.28x = 79,860.96 × 32,718.96
  4. Step 4: Simplify right side
    57,869.28x = 2,612,967,555.80
  5. Step 5: Solve for x
    x = 2,612,967,555.80/57,869.28
  6. Step 6: Final answer
    x = 45,152.93

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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.