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Finding the Fourth Proportional to 9,683.66, 13,362.96 and 5,434.19

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Solution

The fourth proportional to 9,683.66, 13,362.96 and 5,434.19 is: 7,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,683.66 : 13,362.96 = 5,434.19 : x
  2. Step 2: Convert to fraction form
    9,683.66/13,362.96 = 5,434.19/x
  3. Step 3: Cross multiply
    9,683.66x = 13,362.96 × 5,434.19
  4. Step 4: Simplify right side
    9,683.66x = 72,616,863.60
  5. Step 5: Solve for x
    x = 72,616,863.60/9,683.66
  6. Step 6: Final answer
    x = 7,498.91

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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.