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Finding the Fourth Proportional to 22,615.81, 33,912.93 and 10,135.94

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Solution

The fourth proportional to 22,615.81, 33,912.93 and 10,135.94 is: 15,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.81 : 33,912.93 = 10,135.94 : x
  2. Step 2: Convert to fraction form
    22,615.81/33,912.93 = 10,135.94/x
  3. Step 3: Cross multiply
    22,615.81x = 33,912.93 × 10,135.94
  4. Step 4: Simplify right side
    22,615.81x = 343,739,235.13
  5. Step 5: Solve for x
    x = 343,739,235.13/22,615.81
  6. Step 6: Final answer
    x = 15,199.07

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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.