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Finding the Fourth Proportional to 9,257.30, 12,775.04 and 5,065.55

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Solution

The fourth proportional to 9,257.30, 12,775.04 and 5,065.55 is: 6,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.30 : 12,775.04 = 5,065.55 : x
  2. Step 2: Convert to fraction form
    9,257.30/12,775.04 = 5,065.55/x
  3. Step 3: Cross multiply
    9,257.30x = 12,775.04 × 5,065.55
  4. Step 4: Simplify right side
    9,257.30x = 64,712,540.00
  5. Step 5: Solve for x
    x = 64,712,540.00/9,257.30
  6. Step 6: Final answer
    x = 6,990.44

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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.