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Finding the Fourth Proportional to 35,463.87, 48,939.46 and 19,331.32

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Solution

The fourth proportional to 35,463.87, 48,939.46 and 19,331.32 is: 26,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,463.87 : 48,939.46 = 19,331.32 : x
  2. Step 2: Convert to fraction form
    35,463.87/48,939.46 = 19,331.32/x
  3. Step 3: Cross multiply
    35,463.87x = 48,939.46 × 19,331.32
  4. Step 4: Simplify right side
    35,463.87x = 946,064,265.23
  5. Step 5: Solve for x
    x = 946,064,265.23/35,463.87
  6. Step 6: Final answer
    x = 26,676.85

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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.