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Finding the Fourth Proportional to 66,719.33, 92,071.85 and 36,504.22

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Solution

The fourth proportional to 66,719.33, 92,071.85 and 36,504.22 is: 50,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,719.33 : 92,071.85 = 36,504.22 : x
  2. Step 2: Convert to fraction form
    66,719.33/92,071.85 = 36,504.22/x
  3. Step 3: Cross multiply
    66,719.33x = 92,071.85 × 36,504.22
  4. Step 4: Simplify right side
    66,719.33x = 3,361,010,607.85
  5. Step 5: Solve for x
    x = 3,361,010,607.85/66,719.33
  6. Step 6: Final answer
    x = 50,375.37

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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.