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Finding the Fourth Proportional to 36,163.60, 49,904.31 and 21,056.71

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Solution

The fourth proportional to 36,163.60, 49,904.31 and 21,056.71 is: 29,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.60 : 49,904.31 = 21,056.71 : x
  2. Step 2: Convert to fraction form
    36,163.60/49,904.31 = 21,056.71/x
  3. Step 3: Cross multiply
    36,163.60x = 49,904.31 × 21,056.71
  4. Step 4: Simplify right side
    36,163.60x = 1,050,820,583.42
  5. Step 5: Solve for x
    x = 1,050,820,583.42/36,163.60
  6. Step 6: Final answer
    x = 29,057.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.