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Finding the Fourth Proportional to 6,907.78, 10,367.16 and 2,526.58

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Solution

The fourth proportional to 6,907.78, 10,367.16 and 2,526.58 is: 3,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.78 : 10,367.16 = 2,526.58 : x
  2. Step 2: Convert to fraction form
    6,907.78/10,367.16 = 2,526.58/x
  3. Step 3: Cross multiply
    6,907.78x = 10,367.16 × 2,526.58
  4. Step 4: Simplify right side
    6,907.78x = 26,193,459.11
  5. Step 5: Solve for x
    x = 26,193,459.11/6,907.78
  6. Step 6: Final answer
    x = 3,791.88

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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.