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Finding the Fourth Proportional to 36,223.71, 49,990.02 and 21,113.94

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Solution

The fourth proportional to 36,223.71, 49,990.02 and 21,113.94 is: 29,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.71 : 49,990.02 = 21,113.94 : x
  2. Step 2: Convert to fraction form
    36,223.71/49,990.02 = 21,113.94/x
  3. Step 3: Cross multiply
    36,223.71x = 49,990.02 × 21,113.94
  4. Step 4: Simplify right side
    36,223.71x = 1,055,486,282.88
  5. Step 5: Solve for x
    x = 1,055,486,282.88/36,223.71
  6. Step 6: Final answer
    x = 29,138.00

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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.