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Finding the Fourth Proportional to 47,174.40, 64,929.60 and 44,452.80

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Solution

The fourth proportional to 47,174.40, 64,929.60 and 44,452.80 is: 61,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.40 : 64,929.60 = 44,452.80 : x
  2. Step 2: Convert to fraction form
    47,174.40/64,929.60 = 44,452.80/x
  3. Step 3: Cross multiply
    47,174.40x = 64,929.60 × 44,452.80
  4. Step 4: Simplify right side
    47,174.40x = 2,886,302,522.88
  5. Step 5: Solve for x
    x = 2,886,302,522.88/47,174.40
  6. Step 6: Final answer
    x = 61,183.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.