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Finding the Fourth Proportional to 62,947.44, 86,864.08 and 36,088.64

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Solution

The fourth proportional to 62,947.44, 86,864.08 and 36,088.64 is: 49,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,947.44 : 86,864.08 = 36,088.64 : x
  2. Step 2: Convert to fraction form
    62,947.44/86,864.08 = 36,088.64/x
  3. Step 3: Cross multiply
    62,947.44x = 86,864.08 × 36,088.64
  4. Step 4: Simplify right side
    62,947.44x = 3,134,806,512.05
  5. Step 5: Solve for x
    x = 3,134,806,512.05/62,947.44
  6. Step 6: Final answer
    x = 49,800.38

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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.