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Finding the Fourth Proportional to 14,540.84, 20,067.08 and 8,167.10

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Solution

The fourth proportional to 14,540.84, 20,067.08 and 8,167.10 is: 11,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.84 : 20,067.08 = 8,167.10 : x
  2. Step 2: Convert to fraction form
    14,540.84/20,067.08 = 8,167.10/x
  3. Step 3: Cross multiply
    14,540.84x = 20,067.08 × 8,167.10
  4. Step 4: Simplify right side
    14,540.84x = 163,889,707.90
  5. Step 5: Solve for x
    x = 163,889,707.90/14,540.84
  6. Step 6: Final answer
    x = 11,271.00

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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.