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Finding the Fourth Proportional to 17,364.87, 23,963.63 and 9,407.09

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Solution

The fourth proportional to 17,364.87, 23,963.63 and 9,407.09 is: 12,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,364.87 : 23,963.63 = 9,407.09 : x
  2. Step 2: Convert to fraction form
    17,364.87/23,963.63 = 9,407.09/x
  3. Step 3: Cross multiply
    17,364.87x = 23,963.63 × 9,407.09
  4. Step 4: Simplify right side
    17,364.87x = 225,428,024.14
  5. Step 5: Solve for x
    x = 225,428,024.14/17,364.87
  6. Step 6: Final answer
    x = 12,981.84

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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.