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Finding the Fourth Proportional to 27,080.50, 40,615.96 and 7,360.60

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Solution

The fourth proportional to 27,080.50, 40,615.96 and 7,360.60 is: 11,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.50 : 40,615.96 = 7,360.60 : x
  2. Step 2: Convert to fraction form
    27,080.50/40,615.96 = 7,360.60/x
  3. Step 3: Cross multiply
    27,080.50x = 40,615.96 × 7,360.60
  4. Step 4: Simplify right side
    27,080.50x = 298,957,835.18
  5. Step 5: Solve for x
    x = 298,957,835.18/27,080.50
  6. Step 6: Final answer
    x = 11,039.60

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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.