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Finding the Fourth Proportional to 5,869.47, 8,804.07 and 2,171.28

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Solution

The fourth proportional to 5,869.47, 8,804.07 and 2,171.28 is: 3,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.47 : 8,804.07 = 2,171.28 : x
  2. Step 2: Convert to fraction form
    5,869.47/8,804.07 = 2,171.28/x
  3. Step 3: Cross multiply
    5,869.47x = 8,804.07 × 2,171.28
  4. Step 4: Simplify right side
    5,869.47x = 19,116,101.11
  5. Step 5: Solve for x
    x = 19,116,101.11/5,869.47
  6. Step 6: Final answer
    x = 3,256.87

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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.