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Finding the Fourth Proportional to 66,045.92, 99,067.73 and 26,602.02

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Solution

The fourth proportional to 66,045.92, 99,067.73 and 26,602.02 is: 39,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,045.92 : 99,067.73 = 26,602.02 : x
  2. Step 2: Convert to fraction form
    66,045.92/99,067.73 = 26,602.02/x
  3. Step 3: Cross multiply
    66,045.92x = 99,067.73 × 26,602.02
  4. Step 4: Simplify right side
    66,045.92x = 2,635,401,601.80
  5. Step 5: Solve for x
    x = 2,635,401,601.80/66,045.92
  6. Step 6: Final answer
    x = 39,902.57

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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.