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Finding the Fourth Proportional to 70,558.38, 97,365.48 and 38,722.14

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Solution

The fourth proportional to 70,558.38, 97,365.48 and 38,722.14 is: 53,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,558.38 : 97,365.48 = 38,722.14 : x
  2. Step 2: Convert to fraction form
    70,558.38/97,365.48 = 38,722.14/x
  3. Step 3: Cross multiply
    70,558.38x = 97,365.48 × 38,722.14
  4. Step 4: Simplify right side
    70,558.38x = 3,770,199,747.73
  5. Step 5: Solve for x
    x = 3,770,199,747.73/70,558.38
  6. Step 6: Final answer
    x = 53,433.76

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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.