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Finding the Fourth Proportional to 14,168.45, 19,551.11 and 7,794.97

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Solution

The fourth proportional to 14,168.45, 19,551.11 and 7,794.97 is: 10,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.45 : 19,551.11 = 7,794.97 : x
  2. Step 2: Convert to fraction form
    14,168.45/19,551.11 = 7,794.97/x
  3. Step 3: Cross multiply
    14,168.45x = 19,551.11 × 7,794.97
  4. Step 4: Simplify right side
    14,168.45x = 152,400,228.06
  5. Step 5: Solve for x
    x = 152,400,228.06/14,168.45
  6. Step 6: Final answer
    x = 10,756.31

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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.