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Finding the Fourth Proportional to 61,353.55, 91,936.01 and 36,343.84

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Solution

The fourth proportional to 61,353.55, 91,936.01 and 36,343.84 is: 54,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,353.55 : 91,936.01 = 36,343.84 : x
  2. Step 2: Convert to fraction form
    61,353.55/91,936.01 = 36,343.84/x
  3. Step 3: Cross multiply
    61,353.55x = 91,936.01 × 36,343.84
  4. Step 4: Simplify right side
    61,353.55x = 3,341,307,671.08
  5. Step 5: Solve for x
    x = 3,341,307,671.08/61,353.55
  6. Step 6: Final answer
    x = 54,459.89

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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.