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Finding the Fourth Proportional to 23,425.59, 35,138.07 and 7,631.20

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Solution

The fourth proportional to 23,425.59, 35,138.07 and 7,631.20 is: 11,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425.59 : 35,138.07 = 7,631.20 : x
  2. Step 2: Convert to fraction form
    23,425.59/35,138.07 = 7,631.20/x
  3. Step 3: Cross multiply
    23,425.59x = 35,138.07 × 7,631.20
  4. Step 4: Simplify right side
    23,425.59x = 268,145,551.94
  5. Step 5: Solve for x
    x = 268,145,551.94/23,425.59
  6. Step 6: Final answer
    x = 11,446.69

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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.