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Finding the Fourth Proportional to 7,511.54, 10,359.62 and 5,627.54

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Solution

The fourth proportional to 7,511.54, 10,359.62 and 5,627.54 is: 7,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.54 : 10,359.62 = 5,627.54 : x
  2. Step 2: Convert to fraction form
    7,511.54/10,359.62 = 5,627.54/x
  3. Step 3: Cross multiply
    7,511.54x = 10,359.62 × 5,627.54
  4. Step 4: Simplify right side
    7,511.54x = 58,299,147.80
  5. Step 5: Solve for x
    x = 58,299,147.80/7,511.54
  6. Step 6: Final answer
    x = 7,761.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.