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Finding the Fourth Proportional to 66,879.50, 100,327.62 and 24,752.48

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Solution

The fourth proportional to 66,879.50, 100,327.62 and 24,752.48 is: 37,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.50 : 100,327.62 = 24,752.48 : x
  2. Step 2: Convert to fraction form
    66,879.50/100,327.62 = 24,752.48/x
  3. Step 3: Cross multiply
    66,879.50x = 100,327.62 × 24,752.48
  4. Step 4: Simplify right side
    66,879.50x = 2,483,357,407.50
  5. Step 5: Solve for x
    x = 2,483,357,407.50/66,879.50
  6. Step 6: Final answer
    x = 37,131.82

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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.