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Finding the Fourth Proportional to 32,989.48, 45,523.16 and 18,649.97

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Solution

The fourth proportional to 32,989.48, 45,523.16 and 18,649.97 is: 25,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.48 : 45,523.16 = 18,649.97 : x
  2. Step 2: Convert to fraction form
    32,989.48/45,523.16 = 18,649.97/x
  3. Step 3: Cross multiply
    32,989.48x = 45,523.16 × 18,649.97
  4. Step 4: Simplify right side
    32,989.48x = 849,005,361.25
  5. Step 5: Solve for x
    x = 849,005,361.25/32,989.48
  6. Step 6: Final answer
    x = 25,735.64

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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.