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Finding the Fourth Proportional to 8,763.01, 12,092.97 and 5,619.21

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Solution

The fourth proportional to 8,763.01, 12,092.97 and 5,619.21 is: 7,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.01 : 12,092.97 = 5,619.21 : x
  2. Step 2: Convert to fraction form
    8,763.01/12,092.97 = 5,619.21/x
  3. Step 3: Cross multiply
    8,763.01x = 12,092.97 × 5,619.21
  4. Step 4: Simplify right side
    8,763.01x = 67,952,937.95
  5. Step 5: Solve for x
    x = 67,952,937.95/8,763.01
  6. Step 6: Final answer
    x = 7,754.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.