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Finding the Fourth Proportional to 22,718.22, 34,076.40 and 7,927.08

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Solution

The fourth proportional to 22,718.22, 34,076.40 and 7,927.08 is: 11,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.22 : 34,076.40 = 7,927.08 : x
  2. Step 2: Convert to fraction form
    22,718.22/34,076.40 = 7,927.08/x
  3. Step 3: Cross multiply
    22,718.22x = 34,076.40 × 7,927.08
  4. Step 4: Simplify right side
    22,718.22x = 270,126,348.91
  5. Step 5: Solve for x
    x = 270,126,348.91/22,718.22
  6. Step 6: Final answer
    x = 11,890.30

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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.