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Finding the Fourth Proportional to 32,162.79, 48,318.35 and 30,834.21

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Solution

The fourth proportional to 32,162.79, 48,318.35 and 30,834.21 is: 46,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,162.79 : 48,318.35 = 30,834.21 : x
  2. Step 2: Convert to fraction form
    32,162.79/48,318.35 = 30,834.21/x
  3. Step 3: Cross multiply
    32,162.79x = 48,318.35 × 30,834.21
  4. Step 4: Simplify right side
    32,162.79x = 1,489,857,996.58
  5. Step 5: Solve for x
    x = 1,489,857,996.58/32,162.79
  6. Step 6: Final answer
    x = 46,322.41

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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.