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Finding the Fourth Proportional to 4,774.95, 7,153.31 and 2,795.72

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Solution

The fourth proportional to 4,774.95, 7,153.31 and 2,795.72 is: 4,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.95 : 7,153.31 = 2,795.72 : x
  2. Step 2: Convert to fraction form
    4,774.95/7,153.31 = 2,795.72/x
  3. Step 3: Cross multiply
    4,774.95x = 7,153.31 × 2,795.72
  4. Step 4: Simplify right side
    4,774.95x = 19,998,623.06
  5. Step 5: Solve for x
    x = 19,998,623.06/4,774.95
  6. Step 6: Final answer
    x = 4,188.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.