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Finding the Fourth Proportional to 17,690.16, 26,492.04 and 17,223.60

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Solution

The fourth proportional to 17,690.16, 26,492.04 and 17,223.60 is: 25,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.16 : 26,492.04 = 17,223.60 : x
  2. Step 2: Convert to fraction form
    17,690.16/26,492.04 = 17,223.60/x
  3. Step 3: Cross multiply
    17,690.16x = 26,492.04 × 17,223.60
  4. Step 4: Simplify right side
    17,690.16x = 456,288,300.14
  5. Step 5: Solve for x
    x = 456,288,300.14/17,690.16
  6. Step 6: Final answer
    x = 25,793.34

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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.