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Finding the Fourth Proportional to 17,115.57, 23,619.03 and 9,354.08

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Solution

The fourth proportional to 17,115.57, 23,619.03 and 9,354.08 is: 12,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.57 : 23,619.03 = 9,354.08 : x
  2. Step 2: Convert to fraction form
    17,115.57/23,619.03 = 9,354.08/x
  3. Step 3: Cross multiply
    17,115.57x = 23,619.03 × 9,354.08
  4. Step 4: Simplify right side
    17,115.57x = 220,934,154.04
  5. Step 5: Solve for x
    x = 220,934,154.04/17,115.57
  6. Step 6: Final answer
    x = 12,908.37

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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.