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Finding the Fourth Proportional to 69,920.85, 96,452.85 and 41,621.07

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Solution

The fourth proportional to 69,920.85, 96,452.85 and 41,621.07 is: 57,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.85 : 96,452.85 = 41,621.07 : x
  2. Step 2: Convert to fraction form
    69,920.85/96,452.85 = 41,621.07/x
  3. Step 3: Cross multiply
    69,920.85x = 96,452.85 × 41,621.07
  4. Step 4: Simplify right side
    69,920.85x = 4,014,470,821.55
  5. Step 5: Solve for x
    x = 4,014,470,821.55/69,920.85
  6. Step 6: Final answer
    x = 57,414.50

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1.5x scale

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.