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Finding the Fourth Proportional to 45,611.76, 62,943.48 and 32,168.88

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Solution

The fourth proportional to 45,611.76, 62,943.48 and 32,168.88 is: 44,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.76 : 62,943.48 = 32,168.88 : x
  2. Step 2: Convert to fraction form
    45,611.76/62,943.48 = 32,168.88/x
  3. Step 3: Cross multiply
    45,611.76x = 62,943.48 × 32,168.88
  4. Step 4: Simplify right side
    45,611.76x = 2,024,821,254.90
  5. Step 5: Solve for x
    x = 2,024,821,254.90/45,611.76
  6. Step 6: Final answer
    x = 44,392.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.