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Finding the Fourth Proportional to 5,914.93, 8,169.87 and 4,429.48

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Solution

The fourth proportional to 5,914.93, 8,169.87 and 4,429.48 is: 6,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.93 : 8,169.87 = 4,429.48 : x
  2. Step 2: Convert to fraction form
    5,914.93/8,169.87 = 4,429.48/x
  3. Step 3: Cross multiply
    5,914.93x = 8,169.87 × 4,429.48
  4. Step 4: Simplify right side
    5,914.93x = 36,188,275.77
  5. Step 5: Solve for x
    x = 36,188,275.77/5,914.93
  6. Step 6: Final answer
    x = 6,118.12

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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.