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Finding the Fourth Proportional to 17,266.80, 25,900.20 and 16,902.30

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Solution

The fourth proportional to 17,266.80, 25,900.20 and 16,902.30 is: 25,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266.80 : 25,900.20 = 16,902.30 : x
  2. Step 2: Convert to fraction form
    17,266.80/25,900.20 = 16,902.30/x
  3. Step 3: Cross multiply
    17,266.80x = 25,900.20 × 16,902.30
  4. Step 4: Simplify right side
    17,266.80x = 437,772,950.46
  5. Step 5: Solve for x
    x = 437,772,950.46/17,266.80
  6. Step 6: Final answer
    x = 25,353.45

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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.