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Finding the Fourth Proportional to 30,553.78, 45,837.84 and 9,492.73

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Solution

The fourth proportional to 30,553.78, 45,837.84 and 9,492.73 is: 14,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.78 : 45,837.84 = 9,492.73 : x
  2. Step 2: Convert to fraction form
    30,553.78/45,837.84 = 9,492.73/x
  3. Step 3: Cross multiply
    30,553.78x = 45,837.84 × 9,492.73
  4. Step 4: Simplify right side
    30,553.78x = 435,126,238.90
  5. Step 5: Solve for x
    x = 435,126,238.90/30,553.78
  6. Step 6: Final answer
    x = 14,241.32

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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.