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Finding the Fourth Proportional to 2,302.68, 3,454.02 and 763.32

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Solution

The fourth proportional to 2,302.68, 3,454.02 and 763.32 is: 1,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.68 : 3,454.02 = 763.32 : x
  2. Step 2: Convert to fraction form
    2,302.68/3,454.02 = 763.32/x
  3. Step 3: Cross multiply
    2,302.68x = 3,454.02 × 763.32
  4. Step 4: Simplify right side
    2,302.68x = 2,636,522.55
  5. Step 5: Solve for x
    x = 2,636,522.55/2,302.68
  6. Step 6: Final answer
    x = 1,144.98

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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.