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Finding the Fourth Proportional to 73,734.16, 110,601.16 and 18,330.16

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Solution

The fourth proportional to 73,734.16, 110,601.16 and 18,330.16 is: 27,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,734.16 : 110,601.16 = 18,330.16 : x
  2. Step 2: Convert to fraction form
    73,734.16/110,601.16 = 18,330.16/x
  3. Step 3: Cross multiply
    73,734.16x = 110,601.16 × 18,330.16
  4. Step 4: Simplify right side
    73,734.16x = 2,027,336,958.99
  5. Step 5: Solve for x
    x = 2,027,336,958.99/73,734.16
  6. Step 6: Final answer
    x = 27,495.22

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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.