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Finding the Fourth Proportional to 22,206.81, 33,303 and 7,411.76

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Solution

The fourth proportional to 22,206.81, 33,303 and 7,411.76 is: 11,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.81 : 33,303 = 7,411.76 : x
  2. Step 2: Convert to fraction form
    22,206.81/33,303 = 7,411.76/x
  3. Step 3: Cross multiply
    22,206.81x = 33,303 × 7,411.76
  4. Step 4: Simplify right side
    22,206.81x = 246,833,843.28
  5. Step 5: Solve for x
    x = 246,833,843.28/22,206.81
  6. Step 6: Final answer
    x = 11,115.23

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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.