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Finding the Fourth Proportional to 11,063.75, 15,267.93 and 6,347.93

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Solution

The fourth proportional to 11,063.75, 15,267.93 and 6,347.93 is: 8,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.75 : 15,267.93 = 6,347.93 : x
  2. Step 2: Convert to fraction form
    11,063.75/15,267.93 = 6,347.93/x
  3. Step 3: Cross multiply
    11,063.75x = 15,267.93 × 6,347.93
  4. Step 4: Simplify right side
    11,063.75x = 96,919,750.88
  5. Step 5: Solve for x
    x = 96,919,750.88/11,063.75
  6. Step 6: Final answer
    x = 8,760.12

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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.