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Finding the Fourth Proportional to 48,694.88, 73,042.40 and 11,758.88

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Solution

The fourth proportional to 48,694.88, 73,042.40 and 11,758.88 is: 17,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,694.88 : 73,042.40 = 11,758.88 : x
  2. Step 2: Convert to fraction form
    48,694.88/73,042.40 = 11,758.88/x
  3. Step 3: Cross multiply
    48,694.88x = 73,042.40 × 11,758.88
  4. Step 4: Simplify right side
    48,694.88x = 858,896,816.51
  5. Step 5: Solve for x
    x = 858,896,816.51/48,694.88
  6. Step 6: Final answer
    x = 17,638.34

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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.