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Finding the Fourth Proportional to 2,263.40, 3,393.28 and 876.02

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Solution

The fourth proportional to 2,263.40, 3,393.28 and 876.02 is: 1,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.40 : 3,393.28 = 876.02 : x
  2. Step 2: Convert to fraction form
    2,263.40/3,393.28 = 876.02/x
  3. Step 3: Cross multiply
    2,263.40x = 3,393.28 × 876.02
  4. Step 4: Simplify right side
    2,263.40x = 2,972,587.44
  5. Step 5: Solve for x
    x = 2,972,587.44/2,263.40
  6. Step 6: Final answer
    x = 1,313.33

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1.5x scale

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.