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Finding the Fourth Proportional to 55,898.40, 83,847.60 and 16,456.80

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Solution

The fourth proportional to 55,898.40, 83,847.60 and 16,456.80 is: 24,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,898.40 : 83,847.60 = 16,456.80 : x
  2. Step 2: Convert to fraction form
    55,898.40/83,847.60 = 16,456.80/x
  3. Step 3: Cross multiply
    55,898.40x = 83,847.60 × 16,456.80
  4. Step 4: Simplify right side
    55,898.40x = 1,379,863,183.68
  5. Step 5: Solve for x
    x = 1,379,863,183.68/55,898.40
  6. Step 6: Final answer
    x = 24,685.20

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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.