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Finding the Fourth Proportional to 45,443.70, 68,148.99 and 15,853.14

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Solution

The fourth proportional to 45,443.70, 68,148.99 and 15,853.14 is: 23,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.70 : 68,148.99 = 15,853.14 : x
  2. Step 2: Convert to fraction form
    45,443.70/68,148.99 = 15,853.14/x
  3. Step 3: Cross multiply
    45,443.70x = 68,148.99 × 15,853.14
  4. Step 4: Simplify right side
    45,443.70x = 1,080,375,479.33
  5. Step 5: Solve for x
    x = 1,080,375,479.33/45,443.70
  6. Step 6: Final answer
    x = 23,773.93

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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.