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Finding the Fourth Proportional to 5,149.17, 7,135.76 and 5,050.71

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Solution

The fourth proportional to 5,149.17, 7,135.76 and 5,050.71 is: 6,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.17 : 7,135.76 = 5,050.71 : x
  2. Step 2: Convert to fraction form
    5,149.17/7,135.76 = 5,050.71/x
  3. Step 3: Cross multiply
    5,149.17x = 7,135.76 × 5,050.71
  4. Step 4: Simplify right side
    5,149.17x = 36,040,654.39
  5. Step 5: Solve for x
    x = 36,040,654.39/5,149.17
  6. Step 6: Final answer
    x = 6,999.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.