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Finding the Fourth Proportional to 11,492.52, 17,212.22 and 6,865.32

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Solution

The fourth proportional to 11,492.52, 17,212.22 and 6,865.32 is: 10,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.52 : 17,212.22 = 6,865.32 : x
  2. Step 2: Convert to fraction form
    11,492.52/17,212.22 = 6,865.32/x
  3. Step 3: Cross multiply
    11,492.52x = 17,212.22 × 6,865.32
  4. Step 4: Simplify right side
    11,492.52x = 118,167,398.21
  5. Step 5: Solve for x
    x = 118,167,398.21/11,492.52
  6. Step 6: Final answer
    x = 10,282.11

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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.