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Finding the Fourth Proportional to 4,927.50, 7,394.49 and 1,849.50

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Solution

The fourth proportional to 4,927.50, 7,394.49 and 1,849.50 is: 2,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.50 : 7,394.49 = 1,849.50 : x
  2. Step 2: Convert to fraction form
    4,927.50/7,394.49 = 1,849.50/x
  3. Step 3: Cross multiply
    4,927.50x = 7,394.49 × 1,849.50
  4. Step 4: Simplify right side
    4,927.50x = 13,676,109.26
  5. Step 5: Solve for x
    x = 13,676,109.26/4,927.50
  6. Step 6: Final answer
    x = 2,775.47

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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.