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Finding the Fourth Proportional to 61,776.60, 85,251.66 and 33,482.28

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Solution

The fourth proportional to 61,776.60, 85,251.66 and 33,482.28 is: 46,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.60 : 85,251.66 = 33,482.28 : x
  2. Step 2: Convert to fraction form
    61,776.60/85,251.66 = 33,482.28/x
  3. Step 3: Cross multiply
    61,776.60x = 85,251.66 × 33,482.28
  4. Step 4: Simplify right side
    61,776.60x = 2,854,419,950.58
  5. Step 5: Solve for x
    x = 2,854,419,950.58/61,776.60
  6. Step 6: Final answer
    x = 46,205.52

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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.