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Finding the Fourth Proportional to 14,919.36, 22,379.02 and 7,104.48

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Solution

The fourth proportional to 14,919.36, 22,379.02 and 7,104.48 is: 10,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.36 : 22,379.02 = 7,104.48 : x
  2. Step 2: Convert to fraction form
    14,919.36/22,379.02 = 7,104.48/x
  3. Step 3: Cross multiply
    14,919.36x = 22,379.02 × 7,104.48
  4. Step 4: Simplify right side
    14,919.36x = 158,991,300.01
  5. Step 5: Solve for x
    x = 158,991,300.01/14,919.36
  6. Step 6: Final answer
    x = 10,656.71

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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.