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Finding the Fourth Proportional to 45,353.52, 67,687.29 and 44,172.54

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Solution

The fourth proportional to 45,353.52, 67,687.29 and 44,172.54 is: 65,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.52 : 67,687.29 = 44,172.54 : x
  2. Step 2: Convert to fraction form
    45,353.52/67,687.29 = 44,172.54/x
  3. Step 3: Cross multiply
    45,353.52x = 67,687.29 × 44,172.54
  4. Step 4: Simplify right side
    45,353.52x = 2,989,919,525.02
  5. Step 5: Solve for x
    x = 2,989,919,525.02/45,353.52
  6. Step 6: Final answer
    x = 65,924.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.