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Finding the Fourth Proportional to 8,743.26, 12,065.54 and 4,764.40

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Solution

The fourth proportional to 8,743.26, 12,065.54 and 4,764.40 is: 6,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.26 : 12,065.54 = 4,764.40 : x
  2. Step 2: Convert to fraction form
    8,743.26/12,065.54 = 4,764.40/x
  3. Step 3: Cross multiply
    8,743.26x = 12,065.54 × 4,764.40
  4. Step 4: Simplify right side
    8,743.26x = 57,485,058.78
  5. Step 5: Solve for x
    x = 57,485,058.78/8,743.26
  6. Step 6: Final answer
    x = 6,574.79

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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.