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Finding the Fourth Proportional to 36,069.88, 49,772.88 and 20,153.98

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Solution

The fourth proportional to 36,069.88, 49,772.88 and 20,153.98 is: 27,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.88 : 49,772.88 = 20,153.98 : x
  2. Step 2: Convert to fraction form
    36,069.88/49,772.88 = 20,153.98/x
  3. Step 3: Cross multiply
    36,069.88x = 49,772.88 × 20,153.98
  4. Step 4: Simplify right side
    36,069.88x = 1,003,121,628.06
  5. Step 5: Solve for x
    x = 1,003,121,628.06/36,069.88
  6. Step 6: Final answer
    x = 27,810.51

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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.