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Finding the Fourth Proportional to 23,891.46, 35,841.71 and 7,881.92

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Solution

The fourth proportional to 23,891.46, 35,841.71 and 7,881.92 is: 11,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.46 : 35,841.71 = 7,881.92 : x
  2. Step 2: Convert to fraction form
    23,891.46/35,841.71 = 7,881.92/x
  3. Step 3: Cross multiply
    23,891.46x = 35,841.71 × 7,881.92
  4. Step 4: Simplify right side
    23,891.46x = 282,501,272.27
  5. Step 5: Solve for x
    x = 282,501,272.27/23,891.46
  6. Step 6: Final answer
    x = 11,824.36

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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.