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Finding the Fourth Proportional to 61,919.01, 85,448.65 and 33,624.70

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Solution

The fourth proportional to 61,919.01, 85,448.65 and 33,624.70 is: 46,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.01 : 85,448.65 = 33,624.70 : x
  2. Step 2: Convert to fraction form
    61,919.01/85,448.65 = 33,624.70/x
  3. Step 3: Cross multiply
    61,919.01x = 85,448.65 × 33,624.70
  4. Step 4: Simplify right side
    61,919.01x = 2,873,185,221.66
  5. Step 5: Solve for x
    x = 2,873,185,221.66/61,919.01
  6. Step 6: Final answer
    x = 46,402.31

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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.