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Finding the Fourth Proportional to 70,679.52, 97,534.80 and 38,845.44

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Solution

The fourth proportional to 70,679.52, 97,534.80 and 38,845.44 is: 53,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.52 : 97,534.80 = 38,845.44 : x
  2. Step 2: Convert to fraction form
    70,679.52/97,534.80 = 38,845.44/x
  3. Step 3: Cross multiply
    70,679.52x = 97,534.80 × 38,845.44
  4. Step 4: Simplify right side
    70,679.52x = 3,788,782,221.31
  5. Step 5: Solve for x
    x = 3,788,782,221.31/70,679.52
  6. Step 6: Final answer
    x = 53,605.09

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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.