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Finding the Fourth Proportional to 9,775.17, 13,480.67 and 6,539.28

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Solution

The fourth proportional to 9,775.17, 13,480.67 and 6,539.28 is: 9,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.17 : 13,480.67 = 6,539.28 : x
  2. Step 2: Convert to fraction form
    9,775.17/13,480.67 = 6,539.28/x
  3. Step 3: Cross multiply
    9,775.17x = 13,480.67 × 6,539.28
  4. Step 4: Simplify right side
    9,775.17x = 88,153,843.02
  5. Step 5: Solve for x
    x = 88,153,843.02/9,775.17
  6. Step 6: Final answer
    x = 9,018.14

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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.