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Finding the Fourth Proportional to 8,373.98, 12,561.41 and 5,919.75

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Solution

The fourth proportional to 8,373.98, 12,561.41 and 5,919.75 is: 8,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.98 : 12,561.41 = 5,919.75 : x
  2. Step 2: Convert to fraction form
    8,373.98/12,561.41 = 5,919.75/x
  3. Step 3: Cross multiply
    8,373.98x = 12,561.41 × 5,919.75
  4. Step 4: Simplify right side
    8,373.98x = 74,360,421.65
  5. Step 5: Solve for x
    x = 74,360,421.65/8,373.98
  6. Step 6: Final answer
    x = 8,879.94

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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.