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Finding the Fourth Proportional to 2,667.03, 4,000.56 and 935.66

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Solution

The fourth proportional to 2,667.03, 4,000.56 and 935.66 is: 1,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.03 : 4,000.56 = 935.66 : x
  2. Step 2: Convert to fraction form
    2,667.03/4,000.56 = 935.66/x
  3. Step 3: Cross multiply
    2,667.03x = 4,000.56 × 935.66
  4. Step 4: Simplify right side
    2,667.03x = 3,743,139.29
  5. Step 5: Solve for x
    x = 3,743,139.29/2,667.03
  6. Step 6: Final answer
    x = 1,403.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.