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Finding the Fourth Proportional to 45,355.52, 67,690.27 and 44,174.54

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Solution

The fourth proportional to 45,355.52, 67,690.27 and 44,174.54 is: 65,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.52 : 67,690.27 = 44,174.54 : x
  2. Step 2: Convert to fraction form
    45,355.52/67,690.27 = 44,174.54/x
  3. Step 3: Cross multiply
    45,355.52x = 67,690.27 × 44,174.54
  4. Step 4: Simplify right side
    45,355.52x = 2,990,186,539.73
  5. Step 5: Solve for x
    x = 2,990,186,539.73/45,355.52
  6. Step 6: Final answer
    x = 65,927.73

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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.