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Finding the Fourth Proportional to 2,793.62, 3,855.18 and 1,534.76

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Solution

The fourth proportional to 2,793.62, 3,855.18 and 1,534.76 is: 2,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.62 : 3,855.18 = 1,534.76 : x
  2. Step 2: Convert to fraction form
    2,793.62/3,855.18 = 1,534.76/x
  3. Step 3: Cross multiply
    2,793.62x = 3,855.18 × 1,534.76
  4. Step 4: Simplify right side
    2,793.62x = 5,916,776.06
  5. Step 5: Solve for x
    x = 5,916,776.06/2,793.62
  6. Step 6: Final answer
    x = 2,117.96

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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.