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Finding the Fourth Proportional to 2,166.88, 3,250.08 and 706.04

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Solution

The fourth proportional to 2,166.88, 3,250.08 and 706.04 is: 1,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.88 : 3,250.08 = 706.04 : x
  2. Step 2: Convert to fraction form
    2,166.88/3,250.08 = 706.04/x
  3. Step 3: Cross multiply
    2,166.88x = 3,250.08 × 706.04
  4. Step 4: Simplify right side
    2,166.88x = 2,294,686.48
  5. Step 5: Solve for x
    x = 2,294,686.48/2,166.88
  6. Step 6: Final answer
    x = 1,058.98

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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.