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Finding the Fourth Proportional to 9,767.36, 13,477.20 and 5,575.52

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Solution

The fourth proportional to 9,767.36, 13,477.20 and 5,575.52 is: 7,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.36 : 13,477.20 = 5,575.52 : x
  2. Step 2: Convert to fraction form
    9,767.36/13,477.20 = 5,575.52/x
  3. Step 3: Cross multiply
    9,767.36x = 13,477.20 × 5,575.52
  4. Step 4: Simplify right side
    9,767.36x = 75,142,398.14
  5. Step 5: Solve for x
    x = 75,142,398.14/9,767.36
  6. Step 6: Final answer
    x = 7,693.21

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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.