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Finding the Fourth Proportional to 20,600.88, 30,876.60 and 9,492.32

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Solution

The fourth proportional to 20,600.88, 30,876.60 and 9,492.32 is: 14,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.88 : 30,876.60 = 9,492.32 : x
  2. Step 2: Convert to fraction form
    20,600.88/30,876.60 = 9,492.32/x
  3. Step 3: Cross multiply
    20,600.88x = 30,876.60 × 9,492.32
  4. Step 4: Simplify right side
    20,600.88x = 293,090,567.71
  5. Step 5: Solve for x
    x = 293,090,567.71/20,600.88
  6. Step 6: Final answer
    x = 14,227.09

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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.