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Finding the Fourth Proportional to 3,253.50, 4,489.83 and 1,856.25

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Solution

The fourth proportional to 3,253.50, 4,489.83 and 1,856.25 is: 2,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.50 : 4,489.83 = 1,856.25 : x
  2. Step 2: Convert to fraction form
    3,253.50/4,489.83 = 1,856.25/x
  3. Step 3: Cross multiply
    3,253.50x = 4,489.83 × 1,856.25
  4. Step 4: Simplify right side
    3,253.50x = 8,334,246.94
  5. Step 5: Solve for x
    x = 8,334,246.94/3,253.50
  6. Step 6: Final answer
    x = 2,561.63

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