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Finding the Fourth Proportional to 22,626.86, 33,953.51 and 9,478.12

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Solution

The fourth proportional to 22,626.86, 33,953.51 and 9,478.12 is: 14,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,626.86 : 33,953.51 = 9,478.12 : x
  2. Step 2: Convert to fraction form
    22,626.86/33,953.51 = 9,478.12/x
  3. Step 3: Cross multiply
    22,626.86x = 33,953.51 × 9,478.12
  4. Step 4: Simplify right side
    22,626.86x = 321,815,442.20
  5. Step 5: Solve for x
    x = 321,815,442.20/22,626.86
  6. Step 6: Final answer
    x = 14,222.72

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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.