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Finding the Fourth Proportional to 17,492.40, 26,195.40 and 11,617.20

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Solution

The fourth proportional to 17,492.40, 26,195.40 and 11,617.20 is: 17,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,492.40 : 26,195.40 = 11,617.20 : x
  2. Step 2: Convert to fraction form
    17,492.40/26,195.40 = 11,617.20/x
  3. Step 3: Cross multiply
    17,492.40x = 26,195.40 × 11,617.20
  4. Step 4: Simplify right side
    17,492.40x = 304,317,200.88
  5. Step 5: Solve for x
    x = 304,317,200.88/17,492.40
  6. Step 6: Final answer
    x = 17,397.11

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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.