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Finding the Fourth Proportional to 32,816.48, 45,286.80 and 17,912.48

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Solution

The fourth proportional to 32,816.48, 45,286.80 and 17,912.48 is: 24,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,816.48 : 45,286.80 = 17,912.48 : x
  2. Step 2: Convert to fraction form
    32,816.48/45,286.80 = 17,912.48/x
  3. Step 3: Cross multiply
    32,816.48x = 45,286.80 × 17,912.48
  4. Step 4: Simplify right side
    32,816.48x = 811,198,899.26
  5. Step 5: Solve for x
    x = 811,198,899.26/32,816.48
  6. Step 6: Final answer
    x = 24,719.25

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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.