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Finding the Fourth Proportional to 52,542.60, 78,813.90 and 32,859.60

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Solution

The fourth proportional to 52,542.60, 78,813.90 and 32,859.60 is: 49,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.60 : 78,813.90 = 32,859.60 : x
  2. Step 2: Convert to fraction form
    52,542.60/78,813.90 = 32,859.60/x
  3. Step 3: Cross multiply
    52,542.60x = 78,813.90 × 32,859.60
  4. Step 4: Simplify right side
    52,542.60x = 2,589,793,228.44
  5. Step 5: Solve for x
    x = 2,589,793,228.44/52,542.60
  6. Step 6: Final answer
    x = 49,289.40

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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.