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Finding the Fourth Proportional to 53,527.44, 80,436.42 and 28,584.84

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Solution

The fourth proportional to 53,527.44, 80,436.42 and 28,584.84 is: 42,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,527.44 : 80,436.42 = 28,584.84 : x
  2. Step 2: Convert to fraction form
    53,527.44/80,436.42 = 28,584.84/x
  3. Step 3: Cross multiply
    53,527.44x = 80,436.42 × 28,584.84
  4. Step 4: Simplify right side
    53,527.44x = 2,299,262,195.87
  5. Step 5: Solve for x
    x = 2,299,262,195.87/53,527.44
  6. Step 6: Final answer
    x = 42,954.83

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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.