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Finding the Fourth Proportional to 5,988.80, 8,262.29 and 5,979.58

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Solution

The fourth proportional to 5,988.80, 8,262.29 and 5,979.58 is: 8,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.80 : 8,262.29 = 5,979.58 : x
  2. Step 2: Convert to fraction form
    5,988.80/8,262.29 = 5,979.58/x
  3. Step 3: Cross multiply
    5,988.80x = 8,262.29 × 5,979.58
  4. Step 4: Simplify right side
    5,988.80x = 49,405,018.33
  5. Step 5: Solve for x
    x = 49,405,018.33/5,988.80
  6. Step 6: Final answer
    x = 8,249.57

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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.