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Finding the Fourth Proportional to 15,841.68, 23,752.44 and 7,516.56

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Solution

The fourth proportional to 15,841.68, 23,752.44 and 7,516.56 is: 11,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.68 : 23,752.44 = 7,516.56 : x
  2. Step 2: Convert to fraction form
    15,841.68/23,752.44 = 7,516.56/x
  3. Step 3: Cross multiply
    15,841.68x = 23,752.44 × 7,516.56
  4. Step 4: Simplify right side
    15,841.68x = 178,536,640.41
  5. Step 5: Solve for x
    x = 178,536,640.41/15,841.68
  6. Step 6: Final answer
    x = 11,270.06

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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.