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Finding the Fourth Proportional to 2,302.83, 3,454.16 and 742.94

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Solution

The fourth proportional to 2,302.83, 3,454.16 and 742.94 is: 1,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.83 : 3,454.16 = 742.94 : x
  2. Step 2: Convert to fraction form
    2,302.83/3,454.16 = 742.94/x
  3. Step 3: Cross multiply
    2,302.83x = 3,454.16 × 742.94
  4. Step 4: Simplify right side
    2,302.83x = 2,566,212.64
  5. Step 5: Solve for x
    x = 2,566,212.64/2,302.83
  6. Step 6: Final answer
    x = 1,114.37

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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.