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Finding the Fourth Proportional to 65,236.58, 90,028.60 and 36,941.66

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Solution

The fourth proportional to 65,236.58, 90,028.60 and 36,941.66 is: 50,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,236.58 : 90,028.60 = 36,941.66 : x
  2. Step 2: Convert to fraction form
    65,236.58/90,028.60 = 36,941.66/x
  3. Step 3: Cross multiply
    65,236.58x = 90,028.60 × 36,941.66
  4. Step 4: Simplify right side
    65,236.58x = 3,325,805,931.48
  5. Step 5: Solve for x
    x = 3,325,805,931.48/65,236.58
  6. Step 6: Final answer
    x = 50,980.69

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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.