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Finding the Fourth Proportional to 62,553.76, 86,325.78 and 34,259.40

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Solution

The fourth proportional to 62,553.76, 86,325.78 and 34,259.40 is: 47,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,553.76 : 86,325.78 = 34,259.40 : x
  2. Step 2: Convert to fraction form
    62,553.76/86,325.78 = 34,259.40/x
  3. Step 3: Cross multiply
    62,553.76x = 86,325.78 × 34,259.40
  4. Step 4: Simplify right side
    62,553.76x = 2,957,469,427.33
  5. Step 5: Solve for x
    x = 2,957,469,427.33/62,553.76
  6. Step 6: Final answer
    x = 47,278.84

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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.