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Finding the Fourth Proportional to 66,956.61, 100,475.92 and 26,968.26

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Solution

The fourth proportional to 66,956.61, 100,475.92 and 26,968.26 is: 40,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.61 : 100,475.92 = 26,968.26 : x
  2. Step 2: Convert to fraction form
    66,956.61/100,475.92 = 26,968.26/x
  3. Step 3: Cross multiply
    66,956.61x = 100,475.92 × 26,968.26
  4. Step 4: Simplify right side
    66,956.61x = 2,709,660,734.30
  5. Step 5: Solve for x
    x = 2,709,660,734.30/66,956.61
  6. Step 6: Final answer
    x = 40,468.91

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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.