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Finding the Fourth Proportional to 70,265.26, 96,963.78 and 38,434.42

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Solution

The fourth proportional to 70,265.26, 96,963.78 and 38,434.42 is: 53,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,265.26 : 96,963.78 = 38,434.42 : x
  2. Step 2: Convert to fraction form
    70,265.26/96,963.78 = 38,434.42/x
  3. Step 3: Cross multiply
    70,265.26x = 96,963.78 × 38,434.42
  4. Step 4: Simplify right side
    70,265.26x = 3,726,746,645.31
  5. Step 5: Solve for x
    x = 3,726,746,645.31/70,265.26
  6. Step 6: Final answer
    x = 53,038.25

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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.