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Finding the Fourth Proportional to 61,938.96, 85,487.04 and 36,803.04

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Solution

The fourth proportional to 61,938.96, 85,487.04 and 36,803.04 is: 50,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.96 : 85,487.04 = 36,803.04 : x
  2. Step 2: Convert to fraction form
    61,938.96/85,487.04 = 36,803.04/x
  3. Step 3: Cross multiply
    61,938.96x = 85,487.04 × 36,803.04
  4. Step 4: Simplify right side
    61,938.96x = 3,146,182,952.60
  5. Step 5: Solve for x
    x = 3,146,182,952.60/61,938.96
  6. Step 6: Final answer
    x = 50,794.89

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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.