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Finding the Fourth Proportional to 9,322.40, 12,865.20 and 5,073.77

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Solution

The fourth proportional to 9,322.40, 12,865.20 and 5,073.77 is: 7,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.40 : 12,865.20 = 5,073.77 : x
  2. Step 2: Convert to fraction form
    9,322.40/12,865.20 = 5,073.77/x
  3. Step 3: Cross multiply
    9,322.40x = 12,865.20 × 5,073.77
  4. Step 4: Simplify right side
    9,322.40x = 65,275,065.80
  5. Step 5: Solve for x
    x = 65,275,065.80/9,322.40
  6. Step 6: Final answer
    x = 7,001.96

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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.