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Finding the Fourth Proportional to 23,425.84, 35,138.44 and 7,631.45

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Solution

The fourth proportional to 23,425.84, 35,138.44 and 7,631.45 is: 11,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425.84 : 35,138.44 = 7,631.45 : x
  2. Step 2: Convert to fraction form
    23,425.84/35,138.44 = 7,631.45/x
  3. Step 3: Cross multiply
    23,425.84x = 35,138.44 × 7,631.45
  4. Step 4: Simplify right side
    23,425.84x = 268,157,247.94
  5. Step 5: Solve for x
    x = 268,157,247.94/23,425.84
  6. Step 6: Final answer
    x = 11,447.07

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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.