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Finding the Fourth Proportional to 5,616.72, 8,425.08 and 2,695.86

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Solution

The fourth proportional to 5,616.72, 8,425.08 and 2,695.86 is: 4,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.72 : 8,425.08 = 2,695.86 : x
  2. Step 2: Convert to fraction form
    5,616.72/8,425.08 = 2,695.86/x
  3. Step 3: Cross multiply
    5,616.72x = 8,425.08 × 2,695.86
  4. Step 4: Simplify right side
    5,616.72x = 22,712,836.17
  5. Step 5: Solve for x
    x = 22,712,836.17/5,616.72
  6. Step 6: Final answer
    x = 4,043.79

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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.