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Finding the Fourth Proportional to 66,760.87, 92,130.15 and 36,548.07

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Solution

The fourth proportional to 66,760.87, 92,130.15 and 36,548.07 is: 50,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,760.87 : 92,130.15 = 36,548.07 : x
  2. Step 2: Convert to fraction form
    66,760.87/92,130.15 = 36,548.07/x
  3. Step 3: Cross multiply
    66,760.87x = 92,130.15 × 36,548.07
  4. Step 4: Simplify right side
    66,760.87x = 3,367,179,353.69
  5. Step 5: Solve for x
    x = 3,367,179,353.69/66,760.87
  6. Step 6: Final answer
    x = 50,436.42

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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.