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Finding the Fourth Proportional to 18,600.60, 27,873.03 and 7,501.20

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Solution

The fourth proportional to 18,600.60, 27,873.03 and 7,501.20 is: 11,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.60 : 27,873.03 = 7,501.20 : x
  2. Step 2: Convert to fraction form
    18,600.60/27,873.03 = 7,501.20/x
  3. Step 3: Cross multiply
    18,600.60x = 27,873.03 × 7,501.20
  4. Step 4: Simplify right side
    18,600.60x = 209,081,172.64
  5. Step 5: Solve for x
    x = 209,081,172.64/18,600.60
  6. Step 6: Final answer
    x = 11,240.56

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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.