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Finding the Fourth Proportional to 45,034.73, 67,563.80 and 13,444.80

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Solution

The fourth proportional to 45,034.73, 67,563.80 and 13,444.80 is: 20,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,034.73 : 67,563.80 = 13,444.80 : x
  2. Step 2: Convert to fraction form
    45,034.73/67,563.80 = 13,444.80/x
  3. Step 3: Cross multiply
    45,034.73x = 67,563.80 × 13,444.80
  4. Step 4: Simplify right side
    45,034.73x = 908,381,565.27
  5. Step 5: Solve for x
    x = 908,381,565.27/45,034.73
  6. Step 6: Final answer
    x = 20,170.69

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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.