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Finding the Fourth Proportional to 73,894.18, 110,841.20 and 18,490.18

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Solution

The fourth proportional to 73,894.18, 110,841.20 and 18,490.18 is: 27,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.18 : 110,841.20 = 18,490.18 : x
  2. Step 2: Convert to fraction form
    73,894.18/110,841.20 = 18,490.18/x
  3. Step 3: Cross multiply
    73,894.18x = 110,841.20 × 18,490.18
  4. Step 4: Simplify right side
    73,894.18x = 2,049,473,739.42
  5. Step 5: Solve for x
    x = 2,049,473,739.42/73,894.18
  6. Step 6: Final answer
    x = 27,735.25

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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.