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Finding the Fourth Proportional to 27,629.91, 41,448.98 and 9,859.19

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Solution

The fourth proportional to 27,629.91, 41,448.98 and 9,859.19 is: 14,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.91 : 41,448.98 = 9,859.19 : x
  2. Step 2: Convert to fraction form
    27,629.91/41,448.98 = 9,859.19/x
  3. Step 3: Cross multiply
    27,629.91x = 41,448.98 × 9,859.19
  4. Step 4: Simplify right side
    27,629.91x = 408,653,186.53
  5. Step 5: Solve for x
    x = 408,653,186.53/27,629.91
  6. Step 6: Final answer
    x = 14,790.25

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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.