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Finding the Fourth Proportional to 35,469.31, 48,952.08 and 20,366.70

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Solution

The fourth proportional to 35,469.31, 48,952.08 and 20,366.70 is: 28,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.31 : 48,952.08 = 20,366.70 : x
  2. Step 2: Convert to fraction form
    35,469.31/48,952.08 = 20,366.70/x
  3. Step 3: Cross multiply
    35,469.31x = 48,952.08 × 20,366.70
  4. Step 4: Simplify right side
    35,469.31x = 996,992,327.74
  5. Step 5: Solve for x
    x = 996,992,327.74/35,469.31
  6. Step 6: Final answer
    x = 28,108.59

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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.