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Finding the Fourth Proportional to 4,667, 6,440.40 and 2,677.52

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Solution

The fourth proportional to 4,667, 6,440.40 and 2,677.52 is: 3,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667 : 6,440.40 = 2,677.52 : x
  2. Step 2: Convert to fraction form
    4,667/6,440.40 = 2,677.52/x
  3. Step 3: Cross multiply
    4,667x = 6,440.40 × 2,677.52
  4. Step 4: Simplify right side
    4,667x = 17,244,299.81
  5. Step 5: Solve for x
    x = 17,244,299.81/4,667
  6. Step 6: Final answer
    x = 3,694.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.