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Finding the Fourth Proportional to 61,237.62, 91,770.90 and 33,097.02

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Solution

The fourth proportional to 61,237.62, 91,770.90 and 33,097.02 is: 49,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237.62 : 91,770.90 = 33,097.02 : x
  2. Step 2: Convert to fraction form
    61,237.62/91,770.90 = 33,097.02/x
  3. Step 3: Cross multiply
    61,237.62x = 91,770.90 × 33,097.02
  4. Step 4: Simplify right side
    61,237.62x = 3,037,343,312.72
  5. Step 5: Solve for x
    x = 3,037,343,312.72/61,237.62
  6. Step 6: Final answer
    x = 49,599.30

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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.