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Finding the Fourth Proportional to 32,843.28, 45,323.64 and 17,939.28

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Solution

The fourth proportional to 32,843.28, 45,323.64 and 17,939.28 is: 24,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,843.28 : 45,323.64 = 17,939.28 : x
  2. Step 2: Convert to fraction form
    32,843.28/45,323.64 = 17,939.28/x
  3. Step 3: Cross multiply
    32,843.28x = 45,323.64 × 17,939.28
  4. Step 4: Simplify right side
    32,843.28x = 813,073,468.58
  5. Step 5: Solve for x
    x = 813,073,468.58/32,843.28
  6. Step 6: Final answer
    x = 24,756.16

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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.