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Finding the Fourth Proportional to 32,573.15, 48,866.89 and 18,539.78

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Solution

The fourth proportional to 32,573.15, 48,866.89 and 18,539.78 is: 27,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,573.15 : 48,866.89 = 18,539.78 : x
  2. Step 2: Convert to fraction form
    32,573.15/48,866.89 = 18,539.78/x
  3. Step 3: Cross multiply
    32,573.15x = 48,866.89 × 18,539.78
  4. Step 4: Simplify right side
    32,573.15x = 905,981,389.88
  5. Step 5: Solve for x
    x = 905,981,389.88/32,573.15
  6. Step 6: Final answer
    x = 27,813.75

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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.