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Finding the Fourth Proportional to 52,770.22, 72,823.02 and 28,571.44

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Solution

The fourth proportional to 52,770.22, 72,823.02 and 28,571.44 is: 39,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.22 : 72,823.02 = 28,571.44 : x
  2. Step 2: Convert to fraction form
    52,770.22/72,823.02 = 28,571.44/x
  3. Step 3: Cross multiply
    52,770.22x = 72,823.02 × 28,571.44
  4. Step 4: Simplify right side
    52,770.22x = 2,080,658,546.55
  5. Step 5: Solve for x
    x = 2,080,658,546.55/52,770.22
  6. Step 6: Final answer
    x = 39,428.65

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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.