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Finding the Fourth Proportional to 17,386.74, 23,993.54 and 9,834.56

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Solution

The fourth proportional to 17,386.74, 23,993.54 and 9,834.56 is: 13,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.74 : 23,993.54 = 9,834.56 : x
  2. Step 2: Convert to fraction form
    17,386.74/23,993.54 = 9,834.56/x
  3. Step 3: Cross multiply
    17,386.74x = 23,993.54 × 9,834.56
  4. Step 4: Simplify right side
    17,386.74x = 235,965,908.74
  5. Step 5: Solve for x
    x = 235,965,908.74/17,386.74
  6. Step 6: Final answer
    x = 13,571.60

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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.