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Finding the Fourth Proportional to 14,168.84, 19,551.79 and 8,200.88

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Solution

The fourth proportional to 14,168.84, 19,551.79 and 8,200.88 is: 11,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.84 : 19,551.79 = 8,200.88 : x
  2. Step 2: Convert to fraction form
    14,168.84/19,551.79 = 8,200.88/x
  3. Step 3: Cross multiply
    14,168.84x = 19,551.79 × 8,200.88
  4. Step 4: Simplify right side
    14,168.84x = 160,341,883.58
  5. Step 5: Solve for x
    x = 160,341,883.58/14,168.84
  6. Step 6: Final answer
    x = 11,316.51

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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.