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Finding the Fourth Proportional to 17,342.85, 23,933.08 and 9,385.21

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Solution

The fourth proportional to 17,342.85, 23,933.08 and 9,385.21 is: 12,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,342.85 : 23,933.08 = 9,385.21 : x
  2. Step 2: Convert to fraction form
    17,342.85/23,933.08 = 9,385.21/x
  3. Step 3: Cross multiply
    17,342.85x = 23,933.08 × 9,385.21
  4. Step 4: Simplify right side
    17,342.85x = 224,616,981.75
  5. Step 5: Solve for x
    x = 224,616,981.75/17,342.85
  6. Step 6: Final answer
    x = 12,951.56

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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.