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Finding the Fourth Proportional to 14,460.80, 19,952.96 and 8,493.44

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Solution

The fourth proportional to 14,460.80, 19,952.96 and 8,493.44 is: 11,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.80 : 19,952.96 = 8,493.44 : x
  2. Step 2: Convert to fraction form
    14,460.80/19,952.96 = 8,493.44/x
  3. Step 3: Cross multiply
    14,460.80x = 19,952.96 × 8,493.44
  4. Step 4: Simplify right side
    14,460.80x = 169,469,268.58
  5. Step 5: Solve for x
    x = 169,469,268.58/14,460.80
  6. Step 6: Final answer
    x = 11,719.22

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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.