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Finding the Fourth Proportional to 2,796.24, 4,194.80 and 848.40

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Solution

The fourth proportional to 2,796.24, 4,194.80 and 848.40 is: 1,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.24 : 4,194.80 = 848.40 : x
  2. Step 2: Convert to fraction form
    2,796.24/4,194.80 = 848.40/x
  3. Step 3: Cross multiply
    2,796.24x = 4,194.80 × 848.40
  4. Step 4: Simplify right side
    2,796.24x = 3,558,868.32
  5. Step 5: Solve for x
    x = 3,558,868.32/2,796.24
  6. Step 6: Final answer
    x = 1,272.73

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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.