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Finding the Fourth Proportional to 32,170.80, 48,233.70 and 19,016.40

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Solution

The fourth proportional to 32,170.80, 48,233.70 and 19,016.40 is: 28,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,170.80 : 48,233.70 = 19,016.40 : x
  2. Step 2: Convert to fraction form
    32,170.80/48,233.70 = 19,016.40/x
  3. Step 3: Cross multiply
    32,170.80x = 48,233.70 × 19,016.40
  4. Step 4: Simplify right side
    32,170.80x = 917,231,332.68
  5. Step 5: Solve for x
    x = 917,231,332.68/32,170.80
  6. Step 6: Final answer
    x = 28,511.30

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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.