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Finding the Fourth Proportional to 32,229.48, 48,343.46 and 18,986.46

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Solution

The fourth proportional to 32,229.48, 48,343.46 and 18,986.46 is: 28,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,229.48 : 48,343.46 = 18,986.46 : x
  2. Step 2: Convert to fraction form
    32,229.48/48,343.46 = 18,986.46/x
  3. Step 3: Cross multiply
    32,229.48x = 48,343.46 × 18,986.46
  4. Step 4: Simplify right side
    32,229.48x = 917,871,074.62
  5. Step 5: Solve for x
    x = 917,871,074.62/32,229.48
  6. Step 6: Final answer
    x = 28,479.24

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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.