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Finding the Fourth Proportional to 9,919.97, 14,883.83 and 4,369.41

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Solution

The fourth proportional to 9,919.97, 14,883.83 and 4,369.41 is: 6,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.97 : 14,883.83 = 4,369.41 : x
  2. Step 2: Convert to fraction form
    9,919.97/14,883.83 = 4,369.41/x
  3. Step 3: Cross multiply
    9,919.97x = 14,883.83 × 4,369.41
  4. Step 4: Simplify right side
    9,919.97x = 65,033,555.64
  5. Step 5: Solve for x
    x = 65,033,555.64/9,919.97
  6. Step 6: Final answer
    x = 6,555.82

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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.