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Finding the Fourth Proportional to 15,995.52, 22,074.12 and 9,704.52

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Solution

The fourth proportional to 15,995.52, 22,074.12 and 9,704.52 is: 13,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.52 : 22,074.12 = 9,704.52 : x
  2. Step 2: Convert to fraction form
    15,995.52/22,074.12 = 9,704.52/x
  3. Step 3: Cross multiply
    15,995.52x = 22,074.12 × 9,704.52
  4. Step 4: Simplify right side
    15,995.52x = 214,218,739.02
  5. Step 5: Solve for x
    x = 214,218,739.02/15,995.52
  6. Step 6: Final answer
    x = 13,392.42

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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.