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Finding the Fourth Proportional to 5,301.91, 7,320.86 and 5,063.95

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Solution

The fourth proportional to 5,301.91, 7,320.86 and 5,063.95 is: 6,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.91 : 7,320.86 = 5,063.95 : x
  2. Step 2: Convert to fraction form
    5,301.91/7,320.86 = 5,063.95/x
  3. Step 3: Cross multiply
    5,301.91x = 7,320.86 × 5,063.95
  4. Step 4: Simplify right side
    5,301.91x = 37,072,469.00
  5. Step 5: Solve for x
    x = 37,072,469.00/5,301.91
  6. Step 6: Final answer
    x = 6,992.29

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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.