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Finding the Fourth Proportional to 57,670.80, 79,585.56 and 32,520.12

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Solution

The fourth proportional to 57,670.80, 79,585.56 and 32,520.12 is: 44,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.80 : 79,585.56 = 32,520.12 : x
  2. Step 2: Convert to fraction form
    57,670.80/79,585.56 = 32,520.12/x
  3. Step 3: Cross multiply
    57,670.80x = 79,585.56 × 32,520.12
  4. Step 4: Simplify right side
    57,670.80x = 2,588,131,961.47
  5. Step 5: Solve for x
    x = 2,588,131,961.47/57,670.80
  6. Step 6: Final answer
    x = 44,877.68

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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.