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Finding the Fourth Proportional to 11,867.44, 17,800.76 and 5,630.44

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Solution

The fourth proportional to 11,867.44, 17,800.76 and 5,630.44 is: 8,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.44 : 17,800.76 = 5,630.44 : x
  2. Step 2: Convert to fraction form
    11,867.44/17,800.76 = 5,630.44/x
  3. Step 3: Cross multiply
    11,867.44x = 17,800.76 × 5,630.44
  4. Step 4: Simplify right side
    11,867.44x = 100,226,111.13
  5. Step 5: Solve for x
    x = 100,226,111.13/11,867.44
  6. Step 6: Final answer
    x = 8,445.47

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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.