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Finding the Fourth Proportional to 14,346.88, 19,797.72 and 8,059.12

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Solution

The fourth proportional to 14,346.88, 19,797.72 and 8,059.12 is: 11,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.88 : 19,797.72 = 8,059.12 : x
  2. Step 2: Convert to fraction form
    14,346.88/19,797.72 = 8,059.12/x
  3. Step 3: Cross multiply
    14,346.88x = 19,797.72 × 8,059.12
  4. Step 4: Simplify right side
    14,346.88x = 159,552,201.21
  5. Step 5: Solve for x
    x = 159,552,201.21/14,346.88
  6. Step 6: Final answer
    x = 11,121.04

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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.