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Finding the Fourth Proportional to 69,476.60, 95,878.82 and 38,853.14

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Solution

The fourth proportional to 69,476.60, 95,878.82 and 38,853.14 is: 53,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.60 : 95,878.82 = 38,853.14 : x
  2. Step 2: Convert to fraction form
    69,476.60/95,878.82 = 38,853.14/x
  3. Step 3: Cross multiply
    69,476.60x = 95,878.82 × 38,853.14
  4. Step 4: Simplify right side
    69,476.60x = 3,725,192,834.23
  5. Step 5: Solve for x
    x = 3,725,192,834.23/69,476.60
  6. Step 6: Final answer
    x = 53,617.95

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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.