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Finding the Fourth Proportional to 70,796.46, 97,695.41 and 38,959.22

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Solution

The fourth proportional to 70,796.46, 97,695.41 and 38,959.22 is: 53,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796.46 : 97,695.41 = 38,959.22 : x
  2. Step 2: Convert to fraction form
    70,796.46/97,695.41 = 38,959.22/x
  3. Step 3: Cross multiply
    70,796.46x = 97,695.41 × 38,959.22
  4. Step 4: Simplify right side
    70,796.46x = 3,806,136,287.91
  5. Step 5: Solve for x
    x = 3,806,136,287.91/70,796.46
  6. Step 6: Final answer
    x = 53,761.68

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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.