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Finding the Fourth Proportional to 66,763.35, 100,145.06 and 27,304.41

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Solution

The fourth proportional to 66,763.35, 100,145.06 and 27,304.41 is: 40,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,763.35 : 100,145.06 = 27,304.41 : x
  2. Step 2: Convert to fraction form
    66,763.35/100,145.06 = 27,304.41/x
  3. Step 3: Cross multiply
    66,763.35x = 100,145.06 × 27,304.41
  4. Step 4: Simplify right side
    66,763.35x = 2,734,401,641.19
  5. Step 5: Solve for x
    x = 2,734,401,641.19/66,763.35
  6. Step 6: Final answer
    x = 40,956.63

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1.5x scale

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.