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Finding the Fourth Proportional to 5,881.80, 8,822.70 and 4,249.80

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Solution

The fourth proportional to 5,881.80, 8,822.70 and 4,249.80 is: 6,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.80 : 8,822.70 = 4,249.80 : x
  2. Step 2: Convert to fraction form
    5,881.80/8,822.70 = 4,249.80/x
  3. Step 3: Cross multiply
    5,881.80x = 8,822.70 × 4,249.80
  4. Step 4: Simplify right side
    5,881.80x = 37,494,710.46
  5. Step 5: Solve for x
    x = 37,494,710.46/5,881.80
  6. Step 6: Final answer
    x = 6,374.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.