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Finding the Fourth Proportional to 52,790.46, 72,823.23 and 32,640.90

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Solution

The fourth proportional to 52,790.46, 72,823.23 and 32,640.90 is: 45,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.46 : 72,823.23 = 32,640.90 : x
  2. Step 2: Convert to fraction form
    52,790.46/72,823.23 = 32,640.90/x
  3. Step 3: Cross multiply
    52,790.46x = 72,823.23 × 32,640.90
  4. Step 4: Simplify right side
    52,790.46x = 2,377,015,768.11
  5. Step 5: Solve for x
    x = 2,377,015,768.11/52,790.46
  6. Step 6: Final answer
    x = 45,027.37

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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.