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Finding the Fourth Proportional to 27,392.56, 41,055.64 and 12,580.88

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Solution

The fourth proportional to 27,392.56, 41,055.64 and 12,580.88 is: 18,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.56 : 41,055.64 = 12,580.88 : x
  2. Step 2: Convert to fraction form
    27,392.56/41,055.64 = 12,580.88/x
  3. Step 3: Cross multiply
    27,392.56x = 41,055.64 × 12,580.88
  4. Step 4: Simplify right side
    27,392.56x = 516,516,080.16
  5. Step 5: Solve for x
    x = 516,516,080.16/27,392.56
  6. Step 6: Final answer
    x = 18,856.07

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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.