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Finding the Fourth Proportional to 73,490.63, 110,236.48 and 18,086.63

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Solution

The fourth proportional to 73,490.63, 110,236.48 and 18,086.63 is: 27,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.63 : 110,236.48 = 18,086.63 : x
  2. Step 2: Convert to fraction form
    73,490.63/110,236.48 = 18,086.63/x
  3. Step 3: Cross multiply
    73,490.63x = 110,236.48 × 18,086.63
  4. Step 4: Simplify right side
    73,490.63x = 1,993,805,829.86
  5. Step 5: Solve for x
    x = 1,993,805,829.86/73,490.63
  6. Step 6: Final answer
    x = 27,130.07

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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.