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Finding the Fourth Proportional to 55,221.60, 82,832.40 and 50,944.80

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Solution

The fourth proportional to 55,221.60, 82,832.40 and 50,944.80 is: 76,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221.60 : 82,832.40 = 50,944.80 : x
  2. Step 2: Convert to fraction form
    55,221.60/82,832.40 = 50,944.80/x
  3. Step 3: Cross multiply
    55,221.60x = 82,832.40 × 50,944.80
  4. Step 4: Simplify right side
    55,221.60x = 4,219,880,051.52
  5. Step 5: Solve for x
    x = 4,219,880,051.52/55,221.60
  6. Step 6: Final answer
    x = 76,417.20

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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.