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Finding the Fourth Proportional to 7,017.60, 9,684.95 and 4,035.18

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Solution

The fourth proportional to 7,017.60, 9,684.95 and 4,035.18 is: 5,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.60 : 9,684.95 = 4,035.18 : x
  2. Step 2: Convert to fraction form
    7,017.60/9,684.95 = 4,035.18/x
  3. Step 3: Cross multiply
    7,017.60x = 9,684.95 × 4,035.18
  4. Step 4: Simplify right side
    7,017.60x = 39,080,516.54
  5. Step 5: Solve for x
    x = 39,080,516.54/7,017.60
  6. Step 6: Final answer
    x = 5,568.93

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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.