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Finding the Fourth Proportional to 70,679.92, 97,537.03 and 38,848.81

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Solution

The fourth proportional to 70,679.92, 97,537.03 and 38,848.81 is: 53,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.92 : 97,537.03 = 38,848.81 : x
  2. Step 2: Convert to fraction form
    70,679.92/97,537.03 = 38,848.81/x
  3. Step 3: Cross multiply
    70,679.92x = 97,537.03 × 38,848.81
  4. Step 4: Simplify right side
    70,679.92x = 3,789,197,205.47
  5. Step 5: Solve for x
    x = 3,789,197,205.47/70,679.92
  6. Step 6: Final answer
    x = 53,610.66

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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.