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Finding the Fourth Proportional to 22,561.91, 33,846.15 and 6,980.75

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Solution

The fourth proportional to 22,561.91, 33,846.15 and 6,980.75 is: 10,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.91 : 33,846.15 = 6,980.75 : x
  2. Step 2: Convert to fraction form
    22,561.91/33,846.15 = 6,980.75/x
  3. Step 3: Cross multiply
    22,561.91x = 33,846.15 × 6,980.75
  4. Step 4: Simplify right side
    22,561.91x = 236,271,511.61
  5. Step 5: Solve for x
    x = 236,271,511.61/22,561.91
  6. Step 6: Final answer
    x = 10,472.14

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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.