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Finding the Fourth Proportional to 16,675.80, 25,016.10 and 8,885.20

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Solution

The fourth proportional to 16,675.80, 25,016.10 and 8,885.20 is: 13,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.80 : 25,016.10 = 8,885.20 : x
  2. Step 2: Convert to fraction form
    16,675.80/25,016.10 = 8,885.20/x
  3. Step 3: Cross multiply
    16,675.80x = 25,016.10 × 8,885.20
  4. Step 4: Simplify right side
    16,675.80x = 222,273,051.72
  5. Step 5: Solve for x
    x = 222,273,051.72/16,675.80
  6. Step 6: Final answer
    x = 13,329.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.