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Finding the Fourth Proportional to 1,951.04, 2,692.50 and 1,066.88

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Solution

The fourth proportional to 1,951.04, 2,692.50 and 1,066.88 is: 1,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.04 : 2,692.50 = 1,066.88 : x
  2. Step 2: Convert to fraction form
    1,951.04/2,692.50 = 1,066.88/x
  3. Step 3: Cross multiply
    1,951.04x = 2,692.50 × 1,066.88
  4. Step 4: Simplify right side
    1,951.04x = 2,872,574.40
  5. Step 5: Solve for x
    x = 2,872,574.40/1,951.04
  6. Step 6: Final answer
    x = 1,472.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.