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Finding the Fourth Proportional to 22,352.61, 30,835.04 and 15,182.90

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Solution

The fourth proportional to 22,352.61, 30,835.04 and 15,182.90 is: 20,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.61 : 30,835.04 = 15,182.90 : x
  2. Step 2: Convert to fraction form
    22,352.61/30,835.04 = 15,182.90/x
  3. Step 3: Cross multiply
    22,352.61x = 30,835.04 × 15,182.90
  4. Step 4: Simplify right side
    22,352.61x = 468,165,098.73
  5. Step 5: Solve for x
    x = 468,165,098.73/22,352.61
  6. Step 6: Final answer
    x = 20,944.54

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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.