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Finding the Fourth Proportional to 61,374.40, 84,676.96 and 36,230.08

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Solution

The fourth proportional to 61,374.40, 84,676.96 and 36,230.08 is: 49,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.40 : 84,676.96 = 36,230.08 : x
  2. Step 2: Convert to fraction form
    61,374.40/84,676.96 = 36,230.08/x
  3. Step 3: Cross multiply
    61,374.40x = 84,676.96 × 36,230.08
  4. Step 4: Simplify right side
    61,374.40x = 3,067,853,034.96
  5. Step 5: Solve for x
    x = 3,067,853,034.96/61,374.40
  6. Step 6: Final answer
    x = 49,985.87

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1.5x scale

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.