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Finding the Fourth Proportional to 2,866.54, 4,300.21 and 1,017.22

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Solution

The fourth proportional to 2,866.54, 4,300.21 and 1,017.22 is: 1,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.54 : 4,300.21 = 1,017.22 : x
  2. Step 2: Convert to fraction form
    2,866.54/4,300.21 = 1,017.22/x
  3. Step 3: Cross multiply
    2,866.54x = 4,300.21 × 1,017.22
  4. Step 4: Simplify right side
    2,866.54x = 4,374,253.94
  5. Step 5: Solve for x
    x = 4,374,253.94/2,866.54
  6. Step 6: Final answer
    x = 1,525.97

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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.