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Finding the Fourth Proportional to 14,805.86, 22,208.78 and 7,402.86

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Solution

The fourth proportional to 14,805.86, 22,208.78 and 7,402.86 is: 11,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.86 : 22,208.78 = 7,402.86 : x
  2. Step 2: Convert to fraction form
    14,805.86/22,208.78 = 7,402.86/x
  3. Step 3: Cross multiply
    14,805.86x = 22,208.78 × 7,402.86
  4. Step 4: Simplify right side
    14,805.86x = 164,408,452.10
  5. Step 5: Solve for x
    x = 164,408,452.10/14,805.86
  6. Step 6: Final answer
    x = 11,104.29

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Similar ratio
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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.