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Finding the Fourth Proportional to 5,871.33, 8,817.93 and 5,636.43

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Solution

The fourth proportional to 5,871.33, 8,817.93 and 5,636.43 is: 8,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.33 : 8,817.93 = 5,636.43 : x
  2. Step 2: Convert to fraction form
    5,871.33/8,817.93 = 5,636.43/x
  3. Step 3: Cross multiply
    5,871.33x = 8,817.93 × 5,636.43
  4. Step 4: Simplify right side
    5,871.33x = 49,701,645.19
  5. Step 5: Solve for x
    x = 49,701,645.19/5,871.33
  6. Step 6: Final answer
    x = 8,465.14

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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.