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Finding the Fourth Proportional to 41,959, 62,963.21 and 18,585.64

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Solution

The fourth proportional to 41,959, 62,963.21 and 18,585.64 is: 27,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,959 : 62,963.21 = 18,585.64 : x
  2. Step 2: Convert to fraction form
    41,959/62,963.21 = 18,585.64/x
  3. Step 3: Cross multiply
    41,959x = 62,963.21 × 18,585.64
  4. Step 4: Simplify right side
    41,959x = 1,170,211,554.30
  5. Step 5: Solve for x
    x = 1,170,211,554.30/41,959
  6. Step 6: Final answer
    x = 27,889.41

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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.