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Finding the Fourth Proportional to 16,460.25, 22,715.15 and 9,008.25

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Solution

The fourth proportional to 16,460.25, 22,715.15 and 9,008.25 is: 12,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,460.25 : 22,715.15 = 9,008.25 : x
  2. Step 2: Convert to fraction form
    16,460.25/22,715.15 = 9,008.25/x
  3. Step 3: Cross multiply
    16,460.25x = 22,715.15 × 9,008.25
  4. Step 4: Simplify right side
    16,460.25x = 204,623,704.95
  5. Step 5: Solve for x
    x = 204,623,704.95/16,460.25
  6. Step 6: Final answer
    x = 12,431.39

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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.