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Finding the Fourth Proportional to 52,609.75, 72,601.02 and 28,736.44

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Solution

The fourth proportional to 52,609.75, 72,601.02 and 28,736.44 is: 39,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,609.75 : 72,601.02 = 28,736.44 : x
  2. Step 2: Convert to fraction form
    52,609.75/72,601.02 = 28,736.44/x
  3. Step 3: Cross multiply
    52,609.75x = 72,601.02 × 28,736.44
  4. Step 4: Simplify right side
    52,609.75x = 2,086,294,673.67
  5. Step 5: Solve for x
    x = 2,086,294,673.67/52,609.75
  6. Step 6: Final answer
    x = 39,656.05

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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.