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Finding the Fourth Proportional to 22,939.44, 34,378.08 and 9,788.16

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Solution

The fourth proportional to 22,939.44, 34,378.08 and 9,788.16 is: 14,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.44 : 34,378.08 = 9,788.16 : x
  2. Step 2: Convert to fraction form
    22,939.44/34,378.08 = 9,788.16/x
  3. Step 3: Cross multiply
    22,939.44x = 34,378.08 × 9,788.16
  4. Step 4: Simplify right side
    22,939.44x = 336,498,147.53
  5. Step 5: Solve for x
    x = 336,498,147.53/22,939.44
  6. Step 6: Final answer
    x = 14,668.98

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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.