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Finding the Fourth Proportional to 51,774.88, 71,374.04 and 36,620.32

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Solution

The fourth proportional to 51,774.88, 71,374.04 and 36,620.32 is: 50,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774.88 : 71,374.04 = 36,620.32 : x
  2. Step 2: Convert to fraction form
    51,774.88/71,374.04 = 36,620.32/x
  3. Step 3: Cross multiply
    51,774.88x = 71,374.04 × 36,620.32
  4. Step 4: Simplify right side
    51,774.88x = 2,613,740,184.49
  5. Step 5: Solve for x
    x = 2,613,740,184.49/51,774.88
  6. Step 6: Final answer
    x = 50,482.79

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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.