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Finding the Fourth Proportional to 66,774.50, 92,145.31 and 36,554.04

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Solution

The fourth proportional to 66,774.50, 92,145.31 and 36,554.04 is: 50,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.50 : 92,145.31 = 36,554.04 : x
  2. Step 2: Convert to fraction form
    66,774.50/92,145.31 = 36,554.04/x
  3. Step 3: Cross multiply
    66,774.50x = 92,145.31 × 36,554.04
  4. Step 4: Simplify right side
    66,774.50x = 3,368,282,704.06
  5. Step 5: Solve for x
    x = 3,368,282,704.06/66,774.50
  6. Step 6: Final answer
    x = 50,442.65

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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.