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Finding the Fourth Proportional to 17,654.80, 26,482.20 and 8,906.80

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Solution

The fourth proportional to 17,654.80, 26,482.20 and 8,906.80 is: 13,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,654.80 : 26,482.20 = 8,906.80 : x
  2. Step 2: Convert to fraction form
    17,654.80/26,482.20 = 8,906.80/x
  3. Step 3: Cross multiply
    17,654.80x = 26,482.20 × 8,906.80
  4. Step 4: Simplify right side
    17,654.80x = 235,871,658.96
  5. Step 5: Solve for x
    x = 235,871,658.96/17,654.80
  6. Step 6: Final answer
    x = 13,360.20

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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.