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Finding the Fourth Proportional to 7,508.54, 10,362.54 and 4,151.61

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Solution

The fourth proportional to 7,508.54, 10,362.54 and 4,151.61 is: 5,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.54 : 10,362.54 = 4,151.61 : x
  2. Step 2: Convert to fraction form
    7,508.54/10,362.54 = 4,151.61/x
  3. Step 3: Cross multiply
    7,508.54x = 10,362.54 × 4,151.61
  4. Step 4: Simplify right side
    7,508.54x = 43,021,240.26
  5. Step 5: Solve for x
    x = 43,021,240.26/7,508.54
  6. Step 6: Final answer
    x = 5,729.64

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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.