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Finding the Fourth Proportional to 66,751.70, 92,115.95 and 36,536.31

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Solution

The fourth proportional to 66,751.70, 92,115.95 and 36,536.31 is: 50,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,751.70 : 92,115.95 = 36,536.31 : x
  2. Step 2: Convert to fraction form
    66,751.70/92,115.95 = 36,536.31/x
  3. Step 3: Cross multiply
    66,751.70x = 92,115.95 × 36,536.31
  4. Step 4: Simplify right side
    66,751.70x = 3,365,576,722.46
  5. Step 5: Solve for x
    x = 3,365,576,722.46/66,751.70
  6. Step 6: Final answer
    x = 50,419.34

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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.