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Finding the Fourth Proportional to 7,908.63, 10,914.11 and 4,765.02

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Solution

The fourth proportional to 7,908.63, 10,914.11 and 4,765.02 is: 6,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.63 : 10,914.11 = 4,765.02 : x
  2. Step 2: Convert to fraction form
    7,908.63/10,914.11 = 4,765.02/x
  3. Step 3: Cross multiply
    7,908.63x = 10,914.11 × 4,765.02
  4. Step 4: Simplify right side
    7,908.63x = 52,005,952.43
  5. Step 5: Solve for x
    x = 52,005,952.43/7,908.63
  6. Step 6: Final answer
    x = 6,575.85

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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.