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Finding the Fourth Proportional to 61,775.60, 85,250.28 and 33,481.28

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Solution

The fourth proportional to 61,775.60, 85,250.28 and 33,481.28 is: 46,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,775.60 : 85,250.28 = 33,481.28 : x
  2. Step 2: Convert to fraction form
    61,775.60/85,250.28 = 33,481.28/x
  3. Step 3: Cross multiply
    61,775.60x = 85,250.28 × 33,481.28
  4. Step 4: Simplify right side
    61,775.60x = 2,854,288,494.76
  5. Step 5: Solve for x
    x = 2,854,288,494.76/61,775.60
  6. Step 6: Final answer
    x = 46,204.14

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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.