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Finding the Fourth Proportional to 35,059.17, 48,375 and 20,913.33

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Solution

The fourth proportional to 35,059.17, 48,375 and 20,913.33 is: 28,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,059.17 : 48,375 = 20,913.33 : x
  2. Step 2: Convert to fraction form
    35,059.17/48,375 = 20,913.33/x
  3. Step 3: Cross multiply
    35,059.17x = 48,375 × 20,913.33
  4. Step 4: Simplify right side
    35,059.17x = 1,011,682,338.75
  5. Step 5: Solve for x
    x = 1,011,682,338.75/35,059.17
  6. Step 6: Final answer
    x = 28,856.43

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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.