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Finding the Fourth Proportional to 61,949.22, 85,489.44 and 33,655.10

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Solution

The fourth proportional to 61,949.22, 85,489.44 and 33,655.10 is: 46,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.22 : 85,489.44 = 33,655.10 : x
  2. Step 2: Convert to fraction form
    61,949.22/85,489.44 = 33,655.10/x
  3. Step 3: Cross multiply
    61,949.22x = 85,489.44 × 33,655.10
  4. Step 4: Simplify right side
    61,949.22x = 2,877,155,652.14
  5. Step 5: Solve for x
    x = 2,877,155,652.14/61,949.22
  6. Step 6: Final answer
    x = 46,443.78

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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.