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Finding the Fourth Proportional to 27,578.71, 41,340.71 and 10,928.35

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Solution

The fourth proportional to 27,578.71, 41,340.71 and 10,928.35 is: 16,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.71 : 41,340.71 = 10,928.35 : x
  2. Step 2: Convert to fraction form
    27,578.71/41,340.71 = 10,928.35/x
  3. Step 3: Cross multiply
    27,578.71x = 41,340.71 × 10,928.35
  4. Step 4: Simplify right side
    27,578.71x = 451,785,827.13
  5. Step 5: Solve for x
    x = 451,785,827.13/27,578.71
  6. Step 6: Final answer
    x = 16,381.69

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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.