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Finding the Fourth Proportional to 61,449.59, 92,196.59 and 21,474.49

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Solution

The fourth proportional to 61,449.59, 92,196.59 and 21,474.49 is: 32,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,449.59 : 92,196.59 = 21,474.49 : x
  2. Step 2: Convert to fraction form
    61,449.59/92,196.59 = 21,474.49/x
  3. Step 3: Cross multiply
    61,449.59x = 92,196.59 × 21,474.49
  4. Step 4: Simplify right side
    61,449.59x = 1,979,874,412.13
  5. Step 5: Solve for x
    x = 1,979,874,412.13/61,449.59
  6. Step 6: Final answer
    x = 32,219.49

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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.