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Finding the Fourth Proportional to 22,811.31, 34,228.71 and 17,262.81

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Solution

The fourth proportional to 22,811.31, 34,228.71 and 17,262.81 is: 25,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.31 : 34,228.71 = 17,262.81 : x
  2. Step 2: Convert to fraction form
    22,811.31/34,228.71 = 17,262.81/x
  3. Step 3: Cross multiply
    22,811.31x = 34,228.71 × 17,262.81
  4. Step 4: Simplify right side
    22,811.31x = 590,883,717.28
  5. Step 5: Solve for x
    x = 590,883,717.28/22,811.31
  6. Step 6: Final answer
    x = 25,903.10

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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.