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Finding the Fourth Proportional to 62,763.80, 94,151.62 and 20,644.23

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Solution

The fourth proportional to 62,763.80, 94,151.62 and 20,644.23 is: 30,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,763.80 : 94,151.62 = 20,644.23 : x
  2. Step 2: Convert to fraction form
    62,763.80/94,151.62 = 20,644.23/x
  3. Step 3: Cross multiply
    62,763.80x = 94,151.62 × 20,644.23
  4. Step 4: Simplify right side
    62,763.80x = 1,943,687,698.15
  5. Step 5: Solve for x
    x = 1,943,687,698.15/62,763.80
  6. Step 6: Final answer
    x = 30,968.29

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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.