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Finding the Fourth Proportional to 57,252.88, 85,879.80 and 15,700.24

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Solution

The fourth proportional to 57,252.88, 85,879.80 and 15,700.24 is: 23,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252.88 : 85,879.80 = 15,700.24 : x
  2. Step 2: Convert to fraction form
    57,252.88/85,879.80 = 15,700.24/x
  3. Step 3: Cross multiply
    57,252.88x = 85,879.80 × 15,700.24
  4. Step 4: Simplify right side
    57,252.88x = 1,348,333,471.15
  5. Step 5: Solve for x
    x = 1,348,333,471.15/57,252.88
  6. Step 6: Final answer
    x = 23,550.49

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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.