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Finding the Fourth Proportional to 10,626.64, 15,939.93 and 5,063.11

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Solution

The fourth proportional to 10,626.64, 15,939.93 and 5,063.11 is: 7,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.64 : 15,939.93 = 5,063.11 : x
  2. Step 2: Convert to fraction form
    10,626.64/15,939.93 = 5,063.11/x
  3. Step 3: Cross multiply
    10,626.64x = 15,939.93 × 5,063.11
  4. Step 4: Simplify right side
    10,626.64x = 80,705,618.98
  5. Step 5: Solve for x
    x = 80,705,618.98/10,626.64
  6. Step 6: Final answer
    x = 7,594.65

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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.