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Finding the Fourth Proportional to 53,898.60, 80,847.90 and 32,903.40

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Solution

The fourth proportional to 53,898.60, 80,847.90 and 32,903.40 is: 49,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.60 : 80,847.90 = 32,903.40 : x
  2. Step 2: Convert to fraction form
    53,898.60/80,847.90 = 32,903.40/x
  3. Step 3: Cross multiply
    53,898.60x = 80,847.90 × 32,903.40
  4. Step 4: Simplify right side
    53,898.60x = 2,660,170,792.86
  5. Step 5: Solve for x
    x = 2,660,170,792.86/53,898.60
  6. Step 6: Final answer
    x = 49,355.10

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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.