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Finding the Fourth Proportional to 16,402.44, 22,636.62 and 9,328.44

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Solution

The fourth proportional to 16,402.44, 22,636.62 and 9,328.44 is: 12,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.44 : 22,636.62 = 9,328.44 : x
  2. Step 2: Convert to fraction form
    16,402.44/22,636.62 = 9,328.44/x
  3. Step 3: Cross multiply
    16,402.44x = 22,636.62 × 9,328.44
  4. Step 4: Simplify right side
    16,402.44x = 211,164,351.47
  5. Step 5: Solve for x
    x = 211,164,351.47/16,402.44
  6. Step 6: Final answer
    x = 12,873.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.