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Finding the Fourth Proportional to 5,862.36, 8,784.36 and 3,516.60

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Solution

The fourth proportional to 5,862.36, 8,784.36 and 3,516.60 is: 5,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.36 : 8,784.36 = 3,516.60 : x
  2. Step 2: Convert to fraction form
    5,862.36/8,784.36 = 3,516.60/x
  3. Step 3: Cross multiply
    5,862.36x = 8,784.36 × 3,516.60
  4. Step 4: Simplify right side
    5,862.36x = 30,891,080.38
  5. Step 5: Solve for x
    x = 30,891,080.38/5,862.36
  6. Step 6: Final answer
    x = 5,269.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.