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Finding the Fourth Proportional to 55,843.20, 83,775.60 and 16,401.60

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Solution

The fourth proportional to 55,843.20, 83,775.60 and 16,401.60 is: 24,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.20 : 83,775.60 = 16,401.60 : x
  2. Step 2: Convert to fraction form
    55,843.20/83,775.60 = 16,401.60/x
  3. Step 3: Cross multiply
    55,843.20x = 83,775.60 × 16,401.60
  4. Step 4: Simplify right side
    55,843.20x = 1,374,053,880.96
  5. Step 5: Solve for x
    x = 1,374,053,880.96/55,843.20
  6. Step 6: Final answer
    x = 24,605.57

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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.