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Finding the Fourth Proportional to 3,353.68, 4,633.82 and 3,235.40

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Solution

The fourth proportional to 3,353.68, 4,633.82 and 3,235.40 is: 4,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.68 : 4,633.82 = 3,235.40 : x
  2. Step 2: Convert to fraction form
    3,353.68/4,633.82 = 3,235.40/x
  3. Step 3: Cross multiply
    3,353.68x = 4,633.82 × 3,235.40
  4. Step 4: Simplify right side
    3,353.68x = 14,992,261.23
  5. Step 5: Solve for x
    x = 14,992,261.23/3,353.68
  6. Step 6: Final answer
    x = 4,470.39

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Half scale
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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.