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Finding the Fourth Proportional to 49,644.60, 74,466.90 and 16,812.60

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Solution

The fourth proportional to 49,644.60, 74,466.90 and 16,812.60 is: 25,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,644.60 : 74,466.90 = 16,812.60 : x
  2. Step 2: Convert to fraction form
    49,644.60/74,466.90 = 16,812.60/x
  3. Step 3: Cross multiply
    49,644.60x = 74,466.90 × 16,812.60
  4. Step 4: Simplify right side
    49,644.60x = 1,251,982,202.94
  5. Step 5: Solve for x
    x = 1,251,982,202.94/49,644.60
  6. Step 6: Final answer
    x = 25,218.90

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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.