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Finding the Fourth Proportional to 14,010.62, 20,995.23 and 7,763.06

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Solution

The fourth proportional to 14,010.62, 20,995.23 and 7,763.06 is: 11,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.62 : 20,995.23 = 7,763.06 : x
  2. Step 2: Convert to fraction form
    14,010.62/20,995.23 = 7,763.06/x
  3. Step 3: Cross multiply
    14,010.62x = 20,995.23 × 7,763.06
  4. Step 4: Simplify right side
    14,010.62x = 162,987,230.20
  5. Step 5: Solve for x
    x = 162,987,230.20/14,010.62
  6. Step 6: Final answer
    x = 11,633.12

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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.