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Finding the Fourth Proportional to 73,894.12, 110,841.18 and 18,490.12

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Solution

The fourth proportional to 73,894.12, 110,841.18 and 18,490.12 is: 27,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.12 : 110,841.18 = 18,490.12 : x
  2. Step 2: Convert to fraction form
    73,894.12/110,841.18 = 18,490.12/x
  3. Step 3: Cross multiply
    73,894.12x = 110,841.18 × 18,490.12
  4. Step 4: Simplify right side
    73,894.12x = 2,049,466,719.14
  5. Step 5: Solve for x
    x = 2,049,466,719.14/73,894.12
  6. Step 6: Final answer
    x = 27,735.18

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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.