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Finding the Fourth Proportional to 62,212.64, 85,854.56 and 33,919.52

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Solution

The fourth proportional to 62,212.64, 85,854.56 and 33,919.52 is: 46,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,212.64 : 85,854.56 = 33,919.52 : x
  2. Step 2: Convert to fraction form
    62,212.64/85,854.56 = 33,919.52/x
  3. Step 3: Cross multiply
    62,212.64x = 85,854.56 × 33,919.52
  4. Step 4: Simplify right side
    62,212.64x = 2,912,145,465.01
  5. Step 5: Solve for x
    x = 2,912,145,465.01/62,212.64
  6. Step 6: Final answer
    x = 46,809.55

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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.