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Finding the Fourth Proportional to 61,776.96, 85,251.93 and 33,482.66

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Solution

The fourth proportional to 61,776.96, 85,251.93 and 33,482.66 is: 46,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.96 : 85,251.93 = 33,482.66 : x
  2. Step 2: Convert to fraction form
    61,776.96/85,251.93 = 33,482.66/x
  3. Step 3: Cross multiply
    61,776.96x = 85,251.93 × 33,482.66
  4. Step 4: Simplify right side
    61,776.96x = 2,854,460,960.27
  5. Step 5: Solve for x
    x = 2,854,460,960.27/61,776.96
  6. Step 6: Final answer
    x = 46,205.91

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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.