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Finding the Fourth Proportional to 8,291.04, 11,439.36 and 4,752.16

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Solution

The fourth proportional to 8,291.04, 11,439.36 and 4,752.16 is: 6,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.04 : 11,439.36 = 4,752.16 : x
  2. Step 2: Convert to fraction form
    8,291.04/11,439.36 = 4,752.16/x
  3. Step 3: Cross multiply
    8,291.04x = 11,439.36 × 4,752.16
  4. Step 4: Simplify right side
    8,291.04x = 54,361,669.02
  5. Step 5: Solve for x
    x = 54,361,669.02/8,291.04
  6. Step 6: Final answer
    x = 6,556.68

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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.