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Finding the Fourth Proportional to 14,720.01, 22,077.86 and 4,859.61

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Solution

The fourth proportional to 14,720.01, 22,077.86 and 4,859.61 is: 7,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.01 : 22,077.86 = 4,859.61 : x
  2. Step 2: Convert to fraction form
    14,720.01/22,077.86 = 4,859.61/x
  3. Step 3: Cross multiply
    14,720.01x = 22,077.86 × 4,859.61
  4. Step 4: Simplify right side
    14,720.01x = 107,289,764.94
  5. Step 5: Solve for x
    x = 107,289,764.94/14,720.01
  6. Step 6: Final answer
    x = 7,288.70

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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.