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Finding the Fourth Proportional to 5,018.92, 6,926.17 and 2,780.83

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Solution

The fourth proportional to 5,018.92, 6,926.17 and 2,780.83 is: 3,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.92 : 6,926.17 = 2,780.83 : x
  2. Step 2: Convert to fraction form
    5,018.92/6,926.17 = 2,780.83/x
  3. Step 3: Cross multiply
    5,018.92x = 6,926.17 × 2,780.83
  4. Step 4: Simplify right side
    5,018.92x = 19,260,501.32
  5. Step 5: Solve for x
    x = 19,260,501.32/5,018.92
  6. Step 6: Final answer
    x = 3,837.58

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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.