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Finding the Fourth Proportional to 4,951.49, 7,428.05 and 2,353.55

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Solution

The fourth proportional to 4,951.49, 7,428.05 and 2,353.55 is: 3,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.49 : 7,428.05 = 2,353.55 : x
  2. Step 2: Convert to fraction form
    4,951.49/7,428.05 = 2,353.55/x
  3. Step 3: Cross multiply
    4,951.49x = 7,428.05 × 2,353.55
  4. Step 4: Simplify right side
    4,951.49x = 17,482,238.17
  5. Step 5: Solve for x
    x = 17,482,238.17/4,951.49
  6. Step 6: Final answer
    x = 3,530.71

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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.