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Finding the Fourth Proportional to 2,743.61, 4,115.54 and 795.96

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Solution

The fourth proportional to 2,743.61, 4,115.54 and 795.96 is: 1,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.61 : 4,115.54 = 795.96 : x
  2. Step 2: Convert to fraction form
    2,743.61/4,115.54 = 795.96/x
  3. Step 3: Cross multiply
    2,743.61x = 4,115.54 × 795.96
  4. Step 4: Simplify right side
    2,743.61x = 3,275,807.21
  5. Step 5: Solve for x
    x = 3,275,807.21/2,743.61
  6. Step 6: Final answer
    x = 1,193.98

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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.