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Finding the Fourth Proportional to 27,867.90, 41,790.24 and 10,328.16

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Solution

The fourth proportional to 27,867.90, 41,790.24 and 10,328.16 is: 15,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.90 : 41,790.24 = 10,328.16 : x
  2. Step 2: Convert to fraction form
    27,867.90/41,790.24 = 10,328.16/x
  3. Step 3: Cross multiply
    27,867.90x = 41,790.24 × 10,328.16
  4. Step 4: Simplify right side
    27,867.90x = 431,616,285.16
  5. Step 5: Solve for x
    x = 431,616,285.16/27,867.90
  6. Step 6: Final answer
    x = 15,487.94

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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.