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Finding the Fourth Proportional to 5,393.52, 8,091.63 and 1,695.60

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Solution

The fourth proportional to 5,393.52, 8,091.63 and 1,695.60 is: 2,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.52 : 8,091.63 = 1,695.60 : x
  2. Step 2: Convert to fraction form
    5,393.52/8,091.63 = 1,695.60/x
  3. Step 3: Cross multiply
    5,393.52x = 8,091.63 × 1,695.60
  4. Step 4: Simplify right side
    5,393.52x = 13,720,167.83
  5. Step 5: Solve for x
    x = 13,720,167.83/5,393.52
  6. Step 6: Final answer
    x = 2,543.82

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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.