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Finding the Fourth Proportional to 66,739.70, 92,099.54 and 36,524.40

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Solution

The fourth proportional to 66,739.70, 92,099.54 and 36,524.40 is: 50,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.70 : 92,099.54 = 36,524.40 : x
  2. Step 2: Convert to fraction form
    66,739.70/92,099.54 = 36,524.40/x
  3. Step 3: Cross multiply
    66,739.70x = 92,099.54 × 36,524.40
  4. Step 4: Simplify right side
    66,739.70x = 3,363,880,530.09
  5. Step 5: Solve for x
    x = 3,363,880,530.09/66,739.70
  6. Step 6: Final answer
    x = 50,403.00

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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.