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Finding the Fourth Proportional to 57,999.80, 87,007.80 and 24,719.60

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Solution

The fourth proportional to 57,999.80, 87,007.80 and 24,719.60 is: 37,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.80 : 87,007.80 = 24,719.60 : x
  2. Step 2: Convert to fraction form
    57,999.80/87,007.80 = 24,719.60/x
  3. Step 3: Cross multiply
    57,999.80x = 87,007.80 × 24,719.60
  4. Step 4: Simplify right side
    57,999.80x = 2,150,798,012.88
  5. Step 5: Solve for x
    x = 2,150,798,012.88/57,999.80
  6. Step 6: Final answer
    x = 37,082.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.