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Finding the Fourth Proportional to 36,778.42, 55,151.07 and 10,477.18

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Solution

The fourth proportional to 36,778.42, 55,151.07 and 10,477.18 is: 15,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,778.42 : 55,151.07 = 10,477.18 : x
  2. Step 2: Convert to fraction form
    36,778.42/55,151.07 = 10,477.18/x
  3. Step 3: Cross multiply
    36,778.42x = 55,151.07 × 10,477.18
  4. Step 4: Simplify right side
    36,778.42x = 577,827,687.58
  5. Step 5: Solve for x
    x = 577,827,687.58/36,778.42
  6. Step 6: Final answer
    x = 15,711.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.