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Finding the Fourth Proportional to 8,805.36, 12,151.29 and 4,772.10

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Solution

The fourth proportional to 8,805.36, 12,151.29 and 4,772.10 is: 6,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.36 : 12,151.29 = 4,772.10 : x
  2. Step 2: Convert to fraction form
    8,805.36/12,151.29 = 4,772.10/x
  3. Step 3: Cross multiply
    8,805.36x = 12,151.29 × 4,772.10
  4. Step 4: Simplify right side
    8,805.36x = 57,987,171.01
  5. Step 5: Solve for x
    x = 57,987,171.01/8,805.36
  6. Step 6: Final answer
    x = 6,585.44

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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.