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Finding the Fourth Proportional to 16,984.25, 25,450.38 and 7,118.13

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Solution

The fourth proportional to 16,984.25, 25,450.38 and 7,118.13 is: 10,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.25 : 25,450.38 = 7,118.13 : x
  2. Step 2: Convert to fraction form
    16,984.25/25,450.38 = 7,118.13/x
  3. Step 3: Cross multiply
    16,984.25x = 25,450.38 × 7,118.13
  4. Step 4: Simplify right side
    16,984.25x = 181,159,113.39
  5. Step 5: Solve for x
    x = 181,159,113.39/16,984.25
  6. Step 6: Final answer
    x = 10,666.30

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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.