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Finding the Fourth Proportional to 53,228.76, 79,674.66 and 33,438.84

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Solution

The fourth proportional to 53,228.76, 79,674.66 and 33,438.84 is: 50,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,228.76 : 79,674.66 = 33,438.84 : x
  2. Step 2: Convert to fraction form
    53,228.76/79,674.66 = 33,438.84/x
  3. Step 3: Cross multiply
    53,228.76x = 79,674.66 × 33,438.84
  4. Step 4: Simplify right side
    53,228.76x = 2,664,228,207.79
  5. Step 5: Solve for x
    x = 2,664,228,207.79/53,228.76
  6. Step 6: Final answer
    x = 50,052.42

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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.