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Finding the Fourth Proportional to 17,627.40, 26,469.90 and 11,809.80

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Solution

The fourth proportional to 17,627.40, 26,469.90 and 11,809.80 is: 17,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.40 : 26,469.90 = 11,809.80 : x
  2. Step 2: Convert to fraction form
    17,627.40/26,469.90 = 11,809.80/x
  3. Step 3: Cross multiply
    17,627.40x = 26,469.90 × 11,809.80
  4. Step 4: Simplify right side
    17,627.40x = 312,604,225.02
  5. Step 5: Solve for x
    x = 312,604,225.02/17,627.40
  6. Step 6: Final answer
    x = 17,734.00

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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.