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Finding the Fourth Proportional to 66,812.49, 92,201.72 and 36,600.57

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Solution

The fourth proportional to 66,812.49, 92,201.72 and 36,600.57 is: 50,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,812.49 : 92,201.72 = 36,600.57 : x
  2. Step 2: Convert to fraction form
    66,812.49/92,201.72 = 36,600.57/x
  3. Step 3: Cross multiply
    66,812.49x = 92,201.72 × 36,600.57
  4. Step 4: Simplify right side
    66,812.49x = 3,374,635,323.98
  5. Step 5: Solve for x
    x = 3,374,635,323.98/66,812.49
  6. Step 6: Final answer
    x = 50,509.05

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1.5x scale

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.