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Finding the Fourth Proportional to 22,356.48, 30,852.84 and 12,797.92

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Solution

The fourth proportional to 22,356.48, 30,852.84 and 12,797.92 is: 17,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.48 : 30,852.84 = 12,797.92 : x
  2. Step 2: Convert to fraction form
    22,356.48/30,852.84 = 12,797.92/x
  3. Step 3: Cross multiply
    22,356.48x = 30,852.84 × 12,797.92
  4. Step 4: Simplify right side
    22,356.48x = 394,852,178.09
  5. Step 5: Solve for x
    x = 394,852,178.09/22,356.48
  6. Step 6: Final answer
    x = 17,661.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.