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Finding the Fourth Proportional to 32,575.20, 48,862.80 and 18,529.80

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Solution

The fourth proportional to 32,575.20, 48,862.80 and 18,529.80 is: 27,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,575.20 : 48,862.80 = 18,529.80 : x
  2. Step 2: Convert to fraction form
    32,575.20/48,862.80 = 18,529.80/x
  3. Step 3: Cross multiply
    32,575.20x = 48,862.80 × 18,529.80
  4. Step 4: Simplify right side
    32,575.20x = 905,417,911.44
  5. Step 5: Solve for x
    x = 905,417,911.44/32,575.20
  6. Step 6: Final answer
    x = 27,794.70

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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.