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Finding the Fourth Proportional to 69,873.77, 96,422.91 and 38,042.70

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Solution

The fourth proportional to 69,873.77, 96,422.91 and 38,042.70 is: 52,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,873.77 : 96,422.91 = 38,042.70 : x
  2. Step 2: Convert to fraction form
    69,873.77/96,422.91 = 38,042.70/x
  3. Step 3: Cross multiply
    69,873.77x = 96,422.91 × 38,042.70
  4. Step 4: Simplify right side
    69,873.77x = 3,668,187,334.01
  5. Step 5: Solve for x
    x = 3,668,187,334.01/69,873.77
  6. Step 6: Final answer
    x = 52,497.34

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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.