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Finding the Fourth Proportional to 4,289.92, 5,947.84 and 4,145.92

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Solution

The fourth proportional to 4,289.92, 5,947.84 and 4,145.92 is: 5,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.92 : 5,947.84 = 4,145.92 : x
  2. Step 2: Convert to fraction form
    4,289.92/5,947.84 = 4,145.92/x
  3. Step 3: Cross multiply
    4,289.92x = 5,947.84 × 4,145.92
  4. Step 4: Simplify right side
    4,289.92x = 24,659,268.81
  5. Step 5: Solve for x
    x = 24,659,268.81/4,289.92
  6. Step 6: Final answer
    x = 5,748.19

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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 (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.