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Finding the Fourth Proportional to 55,487.98, 83,252.98 and 33,316.84

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Solution

The fourth proportional to 55,487.98, 83,252.98 and 33,316.84 is: 49,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.98 : 83,252.98 = 33,316.84 : x
  2. Step 2: Convert to fraction form
    55,487.98/83,252.98 = 33,316.84/x
  3. Step 3: Cross multiply
    55,487.98x = 83,252.98 × 33,316.84
  4. Step 4: Simplify right side
    55,487.98x = 2,773,726,214.18
  5. Step 5: Solve for x
    x = 2,773,726,214.18/55,487.98
  6. Step 6: Final answer
    x = 49,987.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.