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Finding the Fourth Proportional to 32,993.87, 45,520.58 and 18,651.87

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Solution

The fourth proportional to 32,993.87, 45,520.58 and 18,651.87 is: 25,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,993.87 : 45,520.58 = 18,651.87 : x
  2. Step 2: Convert to fraction form
    32,993.87/45,520.58 = 18,651.87/x
  3. Step 3: Cross multiply
    32,993.87x = 45,520.58 × 18,651.87
  4. Step 4: Simplify right side
    32,993.87x = 849,043,987.11
  5. Step 5: Solve for x
    x = 849,043,987.11/32,993.87
  6. Step 6: Final answer
    x = 25,733.39

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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.