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Finding the Fourth Proportional to 62,775.63, 86,630.98 and 34,481.32

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Solution

The fourth proportional to 62,775.63, 86,630.98 and 34,481.32 is: 47,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,775.63 : 86,630.98 = 34,481.32 : x
  2. Step 2: Convert to fraction form
    62,775.63/86,630.98 = 34,481.32/x
  3. Step 3: Cross multiply
    62,775.63x = 86,630.98 × 34,481.32
  4. Step 4: Simplify right side
    62,775.63x = 2,987,150,543.29
  5. Step 5: Solve for x
    x = 2,987,150,543.29/62,775.63
  6. Step 6: Final answer
    x = 47,584.56

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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.