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Finding the Fourth Proportional to 69,937.69, 96,512.71 and 38,894.84

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Solution

The fourth proportional to 69,937.69, 96,512.71 and 38,894.84 is: 53,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.69 : 96,512.71 = 38,894.84 : x
  2. Step 2: Convert to fraction form
    69,937.69/96,512.71 = 38,894.84/x
  3. Step 3: Cross multiply
    69,937.69x = 96,512.71 × 38,894.84
  4. Step 4: Simplify right side
    69,937.69x = 3,753,846,003.61
  5. Step 5: Solve for x
    x = 3,753,846,003.61/69,937.69
  6. Step 6: Final answer
    x = 53,674.15

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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.