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Finding the Fourth Proportional to 35,273.23, 52,911.47 and 8,978.20

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Solution

The fourth proportional to 35,273.23, 52,911.47 and 8,978.20 is: 13,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,273.23 : 52,911.47 = 8,978.20 : x
  2. Step 2: Convert to fraction form
    35,273.23/52,911.47 = 8,978.20/x
  3. Step 3: Cross multiply
    35,273.23x = 52,911.47 × 8,978.20
  4. Step 4: Simplify right side
    35,273.23x = 475,049,759.95
  5. Step 5: Solve for x
    x = 475,049,759.95/35,273.23
  6. Step 6: Final answer
    x = 13,467.71

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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.