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Finding the Fourth Proportional to 22,059.81, 33,061.77 and 10,347.21

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Solution

The fourth proportional to 22,059.81, 33,061.77 and 10,347.21 is: 15,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.81 : 33,061.77 = 10,347.21 : x
  2. Step 2: Convert to fraction form
    22,059.81/33,061.77 = 10,347.21/x
  3. Step 3: Cross multiply
    22,059.81x = 33,061.77 × 10,347.21
  4. Step 4: Simplify right side
    22,059.81x = 342,097,077.16
  5. Step 5: Solve for x
    x = 342,097,077.16/22,059.81
  6. Step 6: Final answer
    x = 15,507.71

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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.