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Finding the Fourth Proportional to 9,256.78, 12,774.51 and 6,608.69

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Solution

The fourth proportional to 9,256.78, 12,774.51 and 6,608.69 is: 9,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,256.78 : 12,774.51 = 6,608.69 : x
  2. Step 2: Convert to fraction form
    9,256.78/12,774.51 = 6,608.69/x
  3. Step 3: Cross multiply
    9,256.78x = 12,774.51 × 6,608.69
  4. Step 4: Simplify right side
    9,256.78x = 84,422,760.52
  5. Step 5: Solve for x
    x = 84,422,760.52/9,256.78
  6. Step 6: Final answer
    x = 9,120.10

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