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Finding the Fourth Proportional to 8,465.16, 11,683.80 and 5,325.60

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Solution

The fourth proportional to 8,465.16, 11,683.80 and 5,325.60 is: 7,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.16 : 11,683.80 = 5,325.60 : x
  2. Step 2: Convert to fraction form
    8,465.16/11,683.80 = 5,325.60/x
  3. Step 3: Cross multiply
    8,465.16x = 11,683.80 × 5,325.60
  4. Step 4: Simplify right side
    8,465.16x = 62,223,245.28
  5. Step 5: Solve for x
    x = 62,223,245.28/8,465.16
  6. Step 6: Final answer
    x = 7,350.51

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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.