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Finding the Fourth Proportional to 27,487.25, 37,927.59 and 16,880.30

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Solution

The fourth proportional to 27,487.25, 37,927.59 and 16,880.30 is: 23,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.25 : 37,927.59 = 16,880.30 : x
  2. Step 2: Convert to fraction form
    27,487.25/37,927.59 = 16,880.30/x
  3. Step 3: Cross multiply
    27,487.25x = 37,927.59 × 16,880.30
  4. Step 4: Simplify right side
    27,487.25x = 640,229,081.72
  5. Step 5: Solve for x
    x = 640,229,081.72/27,487.25
  6. Step 6: Final answer
    x = 23,291.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.