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Finding the Fourth Proportional to 65,235.57, 90,025.08 and 36,941.25

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Solution

The fourth proportional to 65,235.57, 90,025.08 and 36,941.25 is: 50,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,235.57 : 90,025.08 = 36,941.25 : x
  2. Step 2: Convert to fraction form
    65,235.57/90,025.08 = 36,941.25/x
  3. Step 3: Cross multiply
    65,235.57x = 90,025.08 × 36,941.25
  4. Step 4: Simplify right side
    65,235.57x = 3,325,638,986.55
  5. Step 5: Solve for x
    x = 3,325,638,986.55/65,235.57
  6. Step 6: Final answer
    x = 50,978.92

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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.