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Finding the Fourth Proportional to 66,771.79, 92,141.58 and 36,551.33

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Solution

The fourth proportional to 66,771.79, 92,141.58 and 36,551.33 is: 50,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.79 : 92,141.58 = 36,551.33 : x
  2. Step 2: Convert to fraction form
    66,771.79/92,141.58 = 36,551.33/x
  3. Step 3: Cross multiply
    66,771.79x = 92,141.58 × 36,551.33
  4. Step 4: Simplify right side
    66,771.79x = 3,367,896,751.64
  5. Step 5: Solve for x
    x = 3,367,896,751.64/66,771.79
  6. Step 6: Final answer
    x = 50,438.91

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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.