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Finding the Fourth Proportional to 62,378.83, 85,993.16 and 44,442.70

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Solution

The fourth proportional to 62,378.83, 85,993.16 and 44,442.70 is: 61,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,378.83 : 85,993.16 = 44,442.70 : x
  2. Step 2: Convert to fraction form
    62,378.83/85,993.16 = 44,442.70/x
  3. Step 3: Cross multiply
    62,378.83x = 85,993.16 × 44,442.70
  4. Step 4: Simplify right side
    62,378.83x = 3,821,768,211.93
  5. Step 5: Solve for x
    x = 3,821,768,211.93/62,378.83
  6. Step 6: Final answer
    x = 61,267.07

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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.