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Finding the Fourth Proportional to 22,647.12, 33,964.20 and 7,060.56

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Solution

The fourth proportional to 22,647.12, 33,964.20 and 7,060.56 is: 10,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.12 : 33,964.20 = 7,060.56 : x
  2. Step 2: Convert to fraction form
    22,647.12/33,964.20 = 7,060.56/x
  3. Step 3: Cross multiply
    22,647.12x = 33,964.20 × 7,060.56
  4. Step 4: Simplify right side
    22,647.12x = 239,806,271.95
  5. Step 5: Solve for x
    x = 239,806,271.95/22,647.12
  6. Step 6: Final answer
    x = 10,588.82

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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.