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Finding the Fourth Proportional to 55,228.60, 76,211.84 and 32,566.48

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Solution

The fourth proportional to 55,228.60, 76,211.84 and 32,566.48 is: 44,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.60 : 76,211.84 = 32,566.48 : x
  2. Step 2: Convert to fraction form
    55,228.60/76,211.84 = 32,566.48/x
  3. Step 3: Cross multiply
    55,228.60x = 76,211.84 × 32,566.48
  4. Step 4: Simplify right side
    55,228.60x = 2,481,951,363.12
  5. Step 5: Solve for x
    x = 2,481,951,363.12/55,228.60
  6. Step 6: Final answer
    x = 44,939.60

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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.