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Finding the Fourth Proportional to 5,789.36, 8,684.48 and 2,326.64

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Solution

The fourth proportional to 5,789.36, 8,684.48 and 2,326.64 is: 3,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.36 : 8,684.48 = 2,326.64 : x
  2. Step 2: Convert to fraction form
    5,789.36/8,684.48 = 2,326.64/x
  3. Step 3: Cross multiply
    5,789.36x = 8,684.48 × 2,326.64
  4. Step 4: Simplify right side
    5,789.36x = 20,205,658.55
  5. Step 5: Solve for x
    x = 20,205,658.55/5,789.36
  6. Step 6: Final answer
    x = 3,490.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.