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Finding the Fourth Proportional to 22,687.95, 34,009.74 and 10,211.11

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Solution

The fourth proportional to 22,687.95, 34,009.74 and 10,211.11 is: 15,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.95 : 34,009.74 = 10,211.11 : x
  2. Step 2: Convert to fraction form
    22,687.95/34,009.74 = 10,211.11/x
  3. Step 3: Cross multiply
    22,687.95x = 34,009.74 × 10,211.11
  4. Step 4: Simplify right side
    22,687.95x = 347,277,196.21
  5. Step 5: Solve for x
    x = 347,277,196.21/22,687.95
  6. Step 6: Final answer
    x = 15,306.68

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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.