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Finding the Fourth Proportional to 8,775.88, 12,110.70 and 4,797

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Solution

The fourth proportional to 8,775.88, 12,110.70 and 4,797 is: 6,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.88 : 12,110.70 = 4,797 : x
  2. Step 2: Convert to fraction form
    8,775.88/12,110.70 = 4,797/x
  3. Step 3: Cross multiply
    8,775.88x = 12,110.70 × 4,797
  4. Step 4: Simplify right side
    8,775.88x = 58,095,027.90
  5. Step 5: Solve for x
    x = 58,095,027.90/8,775.88
  6. Step 6: Final answer
    x = 6,619.85

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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.