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Finding the Fourth Proportional to 2,276.83, 3,415.43 and 795.79

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Solution

The fourth proportional to 2,276.83, 3,415.43 and 795.79 is: 1,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.83 : 3,415.43 = 795.79 : x
  2. Step 2: Convert to fraction form
    2,276.83/3,415.43 = 795.79/x
  3. Step 3: Cross multiply
    2,276.83x = 3,415.43 × 795.79
  4. Step 4: Simplify right side
    2,276.83x = 2,717,965.04
  5. Step 5: Solve for x
    x = 2,717,965.04/2,276.83
  6. Step 6: Final answer
    x = 1,193.75

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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.