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Finding the Fourth Proportional to 23,578.54, 35,373.87 and 6,939.13

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Solution

The fourth proportional to 23,578.54, 35,373.87 and 6,939.13 is: 10,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,578.54 : 35,373.87 = 6,939.13 : x
  2. Step 2: Convert to fraction form
    23,578.54/35,373.87 = 6,939.13/x
  3. Step 3: Cross multiply
    23,578.54x = 35,373.87 × 6,939.13
  4. Step 4: Simplify right side
    23,578.54x = 245,463,882.53
  5. Step 5: Solve for x
    x = 245,463,882.53/23,578.54
  6. Step 6: Final answer
    x = 10,410.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.