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Finding the Fourth Proportional to 23,981.76, 35,975.76 and 8,993.76

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Solution

The fourth proportional to 23,981.76, 35,975.76 and 8,993.76 is: 13,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,981.76 : 35,975.76 = 8,993.76 : x
  2. Step 2: Convert to fraction form
    23,981.76/35,975.76 = 8,993.76/x
  3. Step 3: Cross multiply
    23,981.76x = 35,975.76 × 8,993.76
  4. Step 4: Simplify right side
    23,981.76x = 323,557,351.26
  5. Step 5: Solve for x
    x = 323,557,351.26/23,981.76
  6. Step 6: Final answer
    x = 13,491.81

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Double scale
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Similar ratio
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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.