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Finding the Fourth Proportional to 14,765.86, 22,144.98 and 4,375.18

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Solution

The fourth proportional to 14,765.86, 22,144.98 and 4,375.18 is: 6,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.86 : 22,144.98 = 4,375.18 : x
  2. Step 2: Convert to fraction form
    14,765.86/22,144.98 = 4,375.18/x
  3. Step 3: Cross multiply
    14,765.86x = 22,144.98 × 4,375.18
  4. Step 4: Simplify right side
    14,765.86x = 96,888,273.60
  5. Step 5: Solve for x
    x = 96,888,273.60/14,765.86
  6. Step 6: Final answer
    x = 6,561.64

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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.