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Finding the Fourth Proportional to 50,642.01, 75,963.05 and 13,201.99

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Solution

The fourth proportional to 50,642.01, 75,963.05 and 13,201.99 is: 19,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.01 : 75,963.05 = 13,201.99 : x
  2. Step 2: Convert to fraction form
    50,642.01/75,963.05 = 13,201.99/x
  3. Step 3: Cross multiply
    50,642.01x = 75,963.05 × 13,201.99
  4. Step 4: Simplify right side
    50,642.01x = 1,002,863,220.06
  5. Step 5: Solve for x
    x = 1,002,863,220.06/50,642.01
  6. Step 6: Final answer
    x = 19,802.99

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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.