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Finding the Fourth Proportional to 70,049.52, 96,667.87 and 39,834.84

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Solution

The fourth proportional to 70,049.52, 96,667.87 and 39,834.84 is: 54,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,049.52 : 96,667.87 = 39,834.84 : x
  2. Step 2: Convert to fraction form
    70,049.52/96,667.87 = 39,834.84/x
  3. Step 3: Cross multiply
    70,049.52x = 96,667.87 × 39,834.84
  4. Step 4: Simplify right side
    70,049.52x = 3,850,749,134.59
  5. Step 5: Solve for x
    x = 3,850,749,134.59/70,049.52
  6. Step 6: Final answer
    x = 54,971.81

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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.