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Finding the Fourth Proportional to 16,672.80, 25,001.10 and 9,269.40

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Solution

The fourth proportional to 16,672.80, 25,001.10 and 9,269.40 is: 13,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.80 : 25,001.10 = 9,269.40 : x
  2. Step 2: Convert to fraction form
    16,672.80/25,001.10 = 9,269.40/x
  3. Step 3: Cross multiply
    16,672.80x = 25,001.10 × 9,269.40
  4. Step 4: Simplify right side
    16,672.80x = 231,745,196.34
  5. Step 5: Solve for x
    x = 231,745,196.34/16,672.80
  6. Step 6: Final answer
    x = 13,899.60

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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.