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Finding the Fourth Proportional to 35,793.92, 49,392 and 20,898.56

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Solution

The fourth proportional to 35,793.92, 49,392 and 20,898.56 is: 28,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.92 : 49,392 = 20,898.56 : x
  2. Step 2: Convert to fraction form
    35,793.92/49,392 = 20,898.56/x
  3. Step 3: Cross multiply
    35,793.92x = 49,392 × 20,898.56
  4. Step 4: Simplify right side
    35,793.92x = 1,032,221,675.52
  5. Step 5: Solve for x
    x = 1,032,221,675.52/35,793.92
  6. Step 6: Final answer
    x = 28,837.91

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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.