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Finding the Fourth Proportional to 17,387.13, 23,994.86 and 9,834.29

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Solution

The fourth proportional to 17,387.13, 23,994.86 and 9,834.29 is: 13,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.13 : 23,994.86 = 9,834.29 : x
  2. Step 2: Convert to fraction form
    17,387.13/23,994.86 = 9,834.29/x
  3. Step 3: Cross multiply
    17,387.13x = 23,994.86 × 9,834.29
  4. Step 4: Simplify right side
    17,387.13x = 235,972,242.60
  5. Step 5: Solve for x
    x = 235,972,242.60/17,387.13
  6. Step 6: Final answer
    x = 13,571.66

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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.