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Finding the Fourth Proportional to 27,276.63, 40,915.01 and 8,808.63

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Solution

The fourth proportional to 27,276.63, 40,915.01 and 8,808.63 is: 13,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.63 : 40,915.01 = 8,808.63 : x
  2. Step 2: Convert to fraction form
    27,276.63/40,915.01 = 8,808.63/x
  3. Step 3: Cross multiply
    27,276.63x = 40,915.01 × 8,808.63
  4. Step 4: Simplify right side
    27,276.63x = 360,405,184.54
  5. Step 5: Solve for x
    x = 360,405,184.54/27,276.63
  6. Step 6: Final answer
    x = 13,212.97

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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.