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Finding the Fourth Proportional to 70,257.76, 96,956.48 and 38,425.98

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Solution

The fourth proportional to 70,257.76, 96,956.48 and 38,425.98 is: 53,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,257.76 : 96,956.48 = 38,425.98 : x
  2. Step 2: Convert to fraction form
    70,257.76/96,956.48 = 38,425.98/x
  3. Step 3: Cross multiply
    70,257.76x = 96,956.48 × 38,425.98
  4. Step 4: Simplify right side
    70,257.76x = 3,725,647,761.35
  5. Step 5: Solve for x
    x = 3,725,647,761.35/70,257.76
  6. Step 6: Final answer
    x = 53,028.27

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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.