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Finding the Fourth Proportional to 62,667, 86,480.46 and 34,372.76

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Solution

The fourth proportional to 62,667, 86,480.46 and 34,372.76 is: 47,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,667 : 86,480.46 = 34,372.76 : x
  2. Step 2: Convert to fraction form
    62,667/86,480.46 = 34,372.76/x
  3. Step 3: Cross multiply
    62,667x = 86,480.46 × 34,372.76
  4. Step 4: Simplify right side
    62,667x = 2,972,571,663.87
  5. Step 5: Solve for x
    x = 2,972,571,663.87/62,667
  6. Step 6: Final answer
    x = 47,434.40

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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.