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Finding the Fourth Proportional to 2,667.94, 4,001.91 and 2,210.98

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Solution

The fourth proportional to 2,667.94, 4,001.91 and 2,210.98 is: 3,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.94 : 4,001.91 = 2,210.98 : x
  2. Step 2: Convert to fraction form
    2,667.94/4,001.91 = 2,210.98/x
  3. Step 3: Cross multiply
    2,667.94x = 4,001.91 × 2,210.98
  4. Step 4: Simplify right side
    2,667.94x = 8,848,142.97
  5. Step 5: Solve for x
    x = 8,848,142.97/2,667.94
  6. Step 6: Final answer
    x = 3,316.47

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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.