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Finding the Fourth Proportional to 55,230.60, 82,845.90 and 50,953.80

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Solution

The fourth proportional to 55,230.60, 82,845.90 and 50,953.80 is: 76,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.60 : 82,845.90 = 50,953.80 : x
  2. Step 2: Convert to fraction form
    55,230.60/82,845.90 = 50,953.80/x
  3. Step 3: Cross multiply
    55,230.60x = 82,845.90 × 50,953.80
  4. Step 4: Simplify right side
    55,230.60x = 4,221,313,419.42
  5. Step 5: Solve for x
    x = 4,221,313,419.42/55,230.60
  6. Step 6: Final answer
    x = 76,430.70

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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.