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Finding the Fourth Proportional to 36,693.02, 55,039.51 and 8,991.02

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Solution

The fourth proportional to 36,693.02, 55,039.51 and 8,991.02 is: 13,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.02 : 55,039.51 = 8,991.02 : x
  2. Step 2: Convert to fraction form
    36,693.02/55,039.51 = 8,991.02/x
  3. Step 3: Cross multiply
    36,693.02x = 55,039.51 × 8,991.02
  4. Step 4: Simplify right side
    36,693.02x = 494,861,335.20
  5. Step 5: Solve for x
    x = 494,861,335.20/36,693.02
  6. Step 6: Final answer
    x = 13,486.53

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Similar ratio
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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.