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Finding the Fourth Proportional to 23,291.55, 34,939.35 and 7,498.17

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Solution

The fourth proportional to 23,291.55, 34,939.35 and 7,498.17 is: 11,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.55 : 34,939.35 = 7,498.17 : x
  2. Step 2: Convert to fraction form
    23,291.55/34,939.35 = 7,498.17/x
  3. Step 3: Cross multiply
    23,291.55x = 34,939.35 × 7,498.17
  4. Step 4: Simplify right side
    23,291.55x = 261,981,185.99
  5. Step 5: Solve for x
    x = 261,981,185.99/23,291.55
  6. Step 6: Final answer
    x = 11,247.91

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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.