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Finding the Fourth Proportional to 3,572.76, 4,930.16 and 2,000.82

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Solution

The fourth proportional to 3,572.76, 4,930.16 and 2,000.82 is: 2,760.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.76 : 4,930.16 = 2,000.82 : x
  2. Step 2: Convert to fraction form
    3,572.76/4,930.16 = 2,000.82/x
  3. Step 3: Cross multiply
    3,572.76x = 4,930.16 × 2,000.82
  4. Step 4: Simplify right side
    3,572.76x = 9,864,362.73
  5. Step 5: Solve for x
    x = 9,864,362.73/3,572.76
  6. Step 6: Final answer
    x = 2,760.99

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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.