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Finding the Fourth Proportional to 66,923.77, 92,353.21 and 36,708.82

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Solution

The fourth proportional to 66,923.77, 92,353.21 and 36,708.82 is: 50,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.77 : 92,353.21 = 36,708.82 : x
  2. Step 2: Convert to fraction form
    66,923.77/92,353.21 = 36,708.82/x
  3. Step 3: Cross multiply
    66,923.77x = 92,353.21 × 36,708.82
  4. Step 4: Simplify right side
    66,923.77x = 3,390,177,362.31
  5. Step 5: Solve for x
    x = 3,390,177,362.31/66,923.77
  6. Step 6: Final answer
    x = 50,657.30

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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.