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Finding the Fourth Proportional to 27,276.63, 40,914.92 and 8,558.31

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Solution

The fourth proportional to 27,276.63, 40,914.92 and 8,558.31 is: 12,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.63 : 40,914.92 = 8,558.31 : x
  2. Step 2: Convert to fraction form
    27,276.63/40,914.92 = 8,558.31/x
  3. Step 3: Cross multiply
    27,276.63x = 40,914.92 × 8,558.31
  4. Step 4: Simplify right side
    27,276.63x = 350,162,526.19
  5. Step 5: Solve for x
    x = 350,162,526.19/27,276.63
  6. Step 6: Final answer
    x = 12,837.46

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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.