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Finding the Fourth Proportional to 3,291.94, 4,542.88 and 1,799.86

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Solution

The fourth proportional to 3,291.94, 4,542.88 and 1,799.86 is: 2,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.94 : 4,542.88 = 1,799.86 : x
  2. Step 2: Convert to fraction form
    3,291.94/4,542.88 = 1,799.86/x
  3. Step 3: Cross multiply
    3,291.94x = 4,542.88 × 1,799.86
  4. Step 4: Simplify right side
    3,291.94x = 8,176,548.00
  5. Step 5: Solve for x
    x = 8,176,548.00/3,291.94
  6. Step 6: Final answer
    x = 2,483.81

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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.