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Finding the Fourth Proportional to 27,759.51, 41,639.13 and 6,983.01

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Solution

The fourth proportional to 27,759.51, 41,639.13 and 6,983.01 is: 10,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.51 : 41,639.13 = 6,983.01 : x
  2. Step 2: Convert to fraction form
    27,759.51/41,639.13 = 6,983.01/x
  3. Step 3: Cross multiply
    27,759.51x = 41,639.13 × 6,983.01
  4. Step 4: Simplify right side
    27,759.51x = 290,766,461.18
  5. Step 5: Solve for x
    x = 290,766,461.18/27,759.51
  6. Step 6: Final answer
    x = 10,474.48

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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.