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Finding the Fourth Proportional to 23,158.88, 34,728 and 7,359.44

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Solution

The fourth proportional to 23,158.88, 34,728 and 7,359.44 is: 11,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.88 : 34,728 = 7,359.44 : x
  2. Step 2: Convert to fraction form
    23,158.88/34,728 = 7,359.44/x
  3. Step 3: Cross multiply
    23,158.88x = 34,728 × 7,359.44
  4. Step 4: Simplify right side
    23,158.88x = 255,578,632.32
  5. Step 5: Solve for x
    x = 255,578,632.32/23,158.88
  6. Step 6: Final answer
    x = 11,035.88

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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.