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Finding the Fourth Proportional to 17,335.78, 23,923.38 and 9,378.01

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Solution

The fourth proportional to 17,335.78, 23,923.38 and 9,378.01 is: 12,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,335.78 : 23,923.38 = 9,378.01 : x
  2. Step 2: Convert to fraction form
    17,335.78/23,923.38 = 9,378.01/x
  3. Step 3: Cross multiply
    17,335.78x = 23,923.38 × 9,378.01
  4. Step 4: Simplify right side
    17,335.78x = 224,353,696.87
  5. Step 5: Solve for x
    x = 224,353,696.87/17,335.78
  6. Step 6: Final answer
    x = 12,941.66

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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.