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Finding the Fourth Proportional to 11,225.57, 16,844.03 and 7,479.90

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Solution

The fourth proportional to 11,225.57, 16,844.03 and 7,479.90 is: 11,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.57 : 16,844.03 = 7,479.90 : x
  2. Step 2: Convert to fraction form
    11,225.57/16,844.03 = 7,479.90/x
  3. Step 3: Cross multiply
    11,225.57x = 16,844.03 × 7,479.90
  4. Step 4: Simplify right side
    11,225.57x = 125,991,538.38
  5. Step 5: Solve for x
    x = 125,991,538.38/11,225.57
  6. Step 6: Final answer
    x = 11,223.63

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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.