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Finding the Fourth Proportional to 18,080.76, 27,125.23 and 9,760.60

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Solution

The fourth proportional to 18,080.76, 27,125.23 and 9,760.60 is: 14,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.76 : 27,125.23 = 9,760.60 : x
  2. Step 2: Convert to fraction form
    18,080.76/27,125.23 = 9,760.60/x
  3. Step 3: Cross multiply
    18,080.76x = 27,125.23 × 9,760.60
  4. Step 4: Simplify right side
    18,080.76x = 264,758,427.72
  5. Step 5: Solve for x
    x = 264,758,427.72/18,080.76
  6. Step 6: Final answer
    x = 14,643.10

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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.