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Finding the Fourth Proportional to 61,873.80, 92,844.72 and 26,813.76

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Solution

The fourth proportional to 61,873.80, 92,844.72 and 26,813.76 is: 40,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.80 : 92,844.72 = 26,813.76 : x
  2. Step 2: Convert to fraction form
    61,873.80/92,844.72 = 26,813.76/x
  3. Step 3: Cross multiply
    61,873.80x = 92,844.72 × 26,813.76
  4. Step 4: Simplify right side
    61,873.80x = 2,489,516,039.35
  5. Step 5: Solve for x
    x = 2,489,516,039.35/61,873.80
  6. Step 6: Final answer
    x = 40,235.38

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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.