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Finding the Fourth Proportional to 4,967.75, 7,454.70 and 2,888.73

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Solution

The fourth proportional to 4,967.75, 7,454.70 and 2,888.73 is: 4,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.75 : 7,454.70 = 2,888.73 : x
  2. Step 2: Convert to fraction form
    4,967.75/7,454.70 = 2,888.73/x
  3. Step 3: Cross multiply
    4,967.75x = 7,454.70 × 2,888.73
  4. Step 4: Simplify right side
    4,967.75x = 21,534,615.53
  5. Step 5: Solve for x
    x = 21,534,615.53/4,967.75
  6. Step 6: Final answer
    x = 4,334.88

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1.5x scale

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.