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Finding the Fourth Proportional to 2,302.96, 3,454.98 and 842.14

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Solution

The fourth proportional to 2,302.96, 3,454.98 and 842.14 is: 1,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.96 : 3,454.98 = 842.14 : x
  2. Step 2: Convert to fraction form
    2,302.96/3,454.98 = 842.14/x
  3. Step 3: Cross multiply
    2,302.96x = 3,454.98 × 842.14
  4. Step 4: Simplify right side
    2,302.96x = 2,909,576.86
  5. Step 5: Solve for x
    x = 2,909,576.86/2,302.96
  6. Step 6: Final answer
    x = 1,263.41

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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.