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Finding the Fourth Proportional to 3,866.56, 5,799.90 and 944.92

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Solution

The fourth proportional to 3,866.56, 5,799.90 and 944.92 is: 1,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.56 : 5,799.90 = 944.92 : x
  2. Step 2: Convert to fraction form
    3,866.56/5,799.90 = 944.92/x
  3. Step 3: Cross multiply
    3,866.56x = 5,799.90 × 944.92
  4. Step 4: Simplify right side
    3,866.56x = 5,480,441.51
  5. Step 5: Solve for x
    x = 5,480,441.51/3,866.56
  6. Step 6: Final answer
    x = 1,417.39

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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.