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Finding the Fourth Proportional to 57,861.13, 79,883.19 and 37,752.88

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Solution

The fourth proportional to 57,861.13, 79,883.19 and 37,752.88 is: 52,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.13 : 79,883.19 = 37,752.88 : x
  2. Step 2: Convert to fraction form
    57,861.13/79,883.19 = 37,752.88/x
  3. Step 3: Cross multiply
    57,861.13x = 79,883.19 × 37,752.88
  4. Step 4: Simplify right side
    57,861.13x = 3,015,820,486.09
  5. Step 5: Solve for x
    x = 3,015,820,486.09/57,861.13
  6. Step 6: Final answer
    x = 52,121.70

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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.