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Finding the Fourth Proportional to 61,864, 85,372.58 and 33,569.88

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Solution

The fourth proportional to 61,864, 85,372.58 and 33,569.88 is: 46,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,864 : 85,372.58 = 33,569.88 : x
  2. Step 2: Convert to fraction form
    61,864/85,372.58 = 33,569.88/x
  3. Step 3: Cross multiply
    61,864x = 85,372.58 × 33,569.88
  4. Step 4: Simplify right side
    61,864x = 2,865,947,265.89
  5. Step 5: Solve for x
    x = 2,865,947,265.89/61,864
  6. Step 6: Final answer
    x = 46,326.58

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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.