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Finding the Fourth Proportional to 66,866.77, 100,229.45 and 24,719.78

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Solution

The fourth proportional to 66,866.77, 100,229.45 and 24,719.78 is: 37,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.77 : 100,229.45 = 24,719.78 : x
  2. Step 2: Convert to fraction form
    66,866.77/100,229.45 = 24,719.78/x
  3. Step 3: Cross multiply
    66,866.77x = 100,229.45 × 24,719.78
  4. Step 4: Simplify right side
    66,866.77x = 2,477,650,219.54
  5. Step 5: Solve for x
    x = 2,477,650,219.54/66,866.77
  6. Step 6: Final answer
    x = 37,053.54

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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.