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Finding the Fourth Proportional to 4,859.92, 7,283.38 and 3,008.80

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Solution

The fourth proportional to 4,859.92, 7,283.38 and 3,008.80 is: 4,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.92 : 7,283.38 = 3,008.80 : x
  2. Step 2: Convert to fraction form
    4,859.92/7,283.38 = 3,008.80/x
  3. Step 3: Cross multiply
    4,859.92x = 7,283.38 × 3,008.80
  4. Step 4: Simplify right side
    4,859.92x = 21,914,233.74
  5. Step 5: Solve for x
    x = 21,914,233.74/4,859.92
  6. Step 6: Final answer
    x = 4,509.18

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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.