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Finding the Fourth Proportional to 66,871.86, 92,282.57 and 36,657.09

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Solution

The fourth proportional to 66,871.86, 92,282.57 and 36,657.09 is: 50,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,871.86 : 92,282.57 = 36,657.09 : x
  2. Step 2: Convert to fraction form
    66,871.86/92,282.57 = 36,657.09/x
  3. Step 3: Cross multiply
    66,871.86x = 92,282.57 × 36,657.09
  4. Step 4: Simplify right side
    66,871.86x = 3,382,810,428.10
  5. Step 5: Solve for x
    x = 3,382,810,428.10/66,871.86
  6. Step 6: Final answer
    x = 50,586.46

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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.