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Finding the Fourth Proportional to 27,169.84, 40,754.82 and 7,448.68

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Solution

The fourth proportional to 27,169.84, 40,754.82 and 7,448.68 is: 11,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.84 : 40,754.82 = 7,448.68 : x
  2. Step 2: Convert to fraction form
    27,169.84/40,754.82 = 7,448.68/x
  3. Step 3: Cross multiply
    27,169.84x = 40,754.82 × 7,448.68
  4. Step 4: Simplify right side
    27,169.84x = 303,569,612.64
  5. Step 5: Solve for x
    x = 303,569,612.64/27,169.84
  6. Step 6: Final answer
    x = 11,173.04

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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.