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Finding the Fourth Proportional to 57,572.50, 79,450.29 and 32,422.42

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Solution

The fourth proportional to 57,572.50, 79,450.29 and 32,422.42 is: 44,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.50 : 79,450.29 = 32,422.42 : x
  2. Step 2: Convert to fraction form
    57,572.50/79,450.29 = 32,422.42/x
  3. Step 3: Cross multiply
    57,572.50x = 79,450.29 × 32,422.42
  4. Step 4: Simplify right side
    57,572.50x = 2,575,970,671.50
  5. Step 5: Solve for x
    x = 2,575,970,671.50/57,572.50
  6. Step 6: Final answer
    x = 44,743.07

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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.