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Finding the Fourth Proportional to 32,190.60, 48,285.90 and 29,857.80

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Solution

The fourth proportional to 32,190.60, 48,285.90 and 29,857.80 is: 44,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.60 : 48,285.90 = 29,857.80 : x
  2. Step 2: Convert to fraction form
    32,190.60/48,285.90 = 29,857.80/x
  3. Step 3: Cross multiply
    32,190.60x = 48,285.90 × 29,857.80
  4. Step 4: Simplify right side
    32,190.60x = 1,441,710,745.02
  5. Step 5: Solve for x
    x = 1,441,710,745.02/32,190.60
  6. Step 6: Final answer
    x = 44,786.70

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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.