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Finding the Fourth Proportional to 14,687.62, 22,034.66 and 4,826.47

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Solution

The fourth proportional to 14,687.62, 22,034.66 and 4,826.47 is: 7,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.62 : 22,034.66 = 4,826.47 : x
  2. Step 2: Convert to fraction form
    14,687.62/22,034.66 = 4,826.47/x
  3. Step 3: Cross multiply
    14,687.62x = 22,034.66 × 4,826.47
  4. Step 4: Simplify right side
    14,687.62x = 106,349,625.45
  5. Step 5: Solve for x
    x = 106,349,625.45/14,687.62
  6. Step 6: Final answer
    x = 7,240.77

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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.