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Finding the Fourth Proportional to 23,993.50, 35,981.58 and 10,143.58

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Solution

The fourth proportional to 23,993.50, 35,981.58 and 10,143.58 is: 15,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.50 : 35,981.58 = 10,143.58 : x
  2. Step 2: Convert to fraction form
    23,993.50/35,981.58 = 10,143.58/x
  3. Step 3: Cross multiply
    23,993.50x = 35,981.58 × 10,143.58
  4. Step 4: Simplify right side
    23,993.50x = 364,982,035.26
  5. Step 5: Solve for x
    x = 364,982,035.26/23,993.50
  6. Step 6: Final answer
    x = 15,211.70

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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.