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Finding the Fourth Proportional to 55,216.96, 82,771.44 and 21,925.96

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Solution

The fourth proportional to 55,216.96, 82,771.44 and 21,925.96 is: 32,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.96 : 82,771.44 = 21,925.96 : x
  2. Step 2: Convert to fraction form
    55,216.96/82,771.44 = 21,925.96/x
  3. Step 3: Cross multiply
    55,216.96x = 82,771.44 × 21,925.96
  4. Step 4: Simplify right side
    55,216.96x = 1,814,843,282.58
  5. Step 5: Solve for x
    x = 1,814,843,282.58/55,216.96
  6. Step 6: Final answer
    x = 32,867.50

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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.