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Finding the Fourth Proportional to 3,295.85, 4,548.22 and 1,803.72

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Solution

The fourth proportional to 3,295.85, 4,548.22 and 1,803.72 is: 2,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.85 : 4,548.22 = 1,803.72 : x
  2. Step 2: Convert to fraction form
    3,295.85/4,548.22 = 1,803.72/x
  3. Step 3: Cross multiply
    3,295.85x = 4,548.22 × 1,803.72
  4. Step 4: Simplify right side
    3,295.85x = 8,203,727.92
  5. Step 5: Solve for x
    x = 8,203,727.92/3,295.85
  6. Step 6: Final answer
    x = 2,489.11

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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.