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Finding the Fourth Proportional to 11,594.32, 15,999.88 and 6,626

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Solution

The fourth proportional to 11,594.32, 15,999.88 and 6,626 is: 9,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,594.32 : 15,999.88 = 6,626 : x
  2. Step 2: Convert to fraction form
    11,594.32/15,999.88 = 6,626/x
  3. Step 3: Cross multiply
    11,594.32x = 15,999.88 × 6,626
  4. Step 4: Simplify right side
    11,594.32x = 106,015,204.88
  5. Step 5: Solve for x
    x = 106,015,204.88/11,594.32
  6. Step 6: Final answer
    x = 9,143.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.