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Finding the Fourth Proportional to 32,472.68, 44,811.22 and 18,132.84

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Solution

The fourth proportional to 32,472.68, 44,811.22 and 18,132.84 is: 25,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,472.68 : 44,811.22 = 18,132.84 : x
  2. Step 2: Convert to fraction form
    32,472.68/44,811.22 = 18,132.84/x
  3. Step 3: Cross multiply
    32,472.68x = 44,811.22 × 18,132.84
  4. Step 4: Simplify right side
    32,472.68x = 812,554,682.46
  5. Step 5: Solve for x
    x = 812,554,682.46/32,472.68
  6. Step 6: Final answer
    x = 25,022.72

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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.