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Finding the Fourth Proportional to 70,603.92, 97,435.67 and 38,773.53

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Solution

The fourth proportional to 70,603.92, 97,435.67 and 38,773.53 is: 53,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,603.92 : 97,435.67 = 38,773.53 : x
  2. Step 2: Convert to fraction form
    70,603.92/97,435.67 = 38,773.53/x
  3. Step 3: Cross multiply
    70,603.92x = 97,435.67 × 38,773.53
  4. Step 4: Simplify right side
    70,603.92x = 3,777,924,679.95
  5. Step 5: Solve for x
    x = 3,777,924,679.95/70,603.92
  6. Step 6: Final answer
    x = 53,508.71

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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.