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Finding the Fourth Proportional to 65,269.93, 90,078.87 and 36,594.49

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Solution

The fourth proportional to 65,269.93, 90,078.87 and 36,594.49 is: 50,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,269.93 : 90,078.87 = 36,594.49 : x
  2. Step 2: Convert to fraction form
    65,269.93/90,078.87 = 36,594.49/x
  3. Step 3: Cross multiply
    65,269.93x = 90,078.87 × 36,594.49
  4. Step 4: Simplify right side
    65,269.93x = 3,296,390,307.43
  5. Step 5: Solve for x
    x = 3,296,390,307.43/65,269.93
  6. Step 6: Final answer
    x = 50,503.97

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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.