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Finding the Fourth Proportional to 4,902.48, 6,763.50 and 2,805.48

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Solution

The fourth proportional to 4,902.48, 6,763.50 and 2,805.48 is: 3,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.48 : 6,763.50 = 2,805.48 : x
  2. Step 2: Convert to fraction form
    4,902.48/6,763.50 = 2,805.48/x
  3. Step 3: Cross multiply
    4,902.48x = 6,763.50 × 2,805.48
  4. Step 4: Simplify right side
    4,902.48x = 18,974,863.98
  5. Step 5: Solve for x
    x = 18,974,863.98/4,902.48
  6. Step 6: Final answer
    x = 3,870.46

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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.