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Finding the Fourth Proportional to 5,018.48, 6,925.48 and 2,894

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Solution

The fourth proportional to 5,018.48, 6,925.48 and 2,894 is: 3,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.48 : 6,925.48 = 2,894 : x
  2. Step 2: Convert to fraction form
    5,018.48/6,925.48 = 2,894/x
  3. Step 3: Cross multiply
    5,018.48x = 6,925.48 × 2,894
  4. Step 4: Simplify right side
    5,018.48x = 20,042,339.12
  5. Step 5: Solve for x
    x = 20,042,339.12/5,018.48
  6. Step 6: Final answer
    x = 3,993.71

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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.