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Finding the Fourth Proportional to 32,753.99, 48,887.96 and 28,231.68

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Solution

The fourth proportional to 32,753.99, 48,887.96 and 28,231.68 is: 42,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,753.99 : 48,887.96 = 28,231.68 : x
  2. Step 2: Convert to fraction form
    32,753.99/48,887.96 = 28,231.68/x
  3. Step 3: Cross multiply
    32,753.99x = 48,887.96 × 28,231.68
  4. Step 4: Simplify right side
    32,753.99x = 1,380,189,101.41
  5. Step 5: Solve for x
    x = 1,380,189,101.41/32,753.99
  6. Step 6: Final answer
    x = 42,138.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.