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Finding the Fourth Proportional to 66,954.61, 100,472.92 and 26,966.26

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Solution

The fourth proportional to 66,954.61, 100,472.92 and 26,966.26 is: 40,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954.61 : 100,472.92 = 26,966.26 : x
  2. Step 2: Convert to fraction form
    66,954.61/100,472.92 = 26,966.26/x
  3. Step 3: Cross multiply
    66,954.61x = 100,472.92 × 26,966.26
  4. Step 4: Simplify right side
    66,954.61x = 2,709,378,565.08
  5. Step 5: Solve for x
    x = 2,709,378,565.08/66,954.61
  6. Step 6: Final answer
    x = 40,465.90

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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.