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Finding the Fourth Proportional to 16,672.14, 22,998.87 and 9,955.62

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Solution

The fourth proportional to 16,672.14, 22,998.87 and 9,955.62 is: 13,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.14 : 22,998.87 = 9,955.62 : x
  2. Step 2: Convert to fraction form
    16,672.14/22,998.87 = 9,955.62/x
  3. Step 3: Cross multiply
    16,672.14x = 22,998.87 × 9,955.62
  4. Step 4: Simplify right side
    16,672.14x = 228,968,010.15
  5. Step 5: Solve for x
    x = 228,968,010.15/16,672.14
  6. Step 6: Final answer
    x = 13,733.57

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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.