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Finding the Fourth Proportional to 4,995.88, 7,479.06 and 4,782.04

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Solution

The fourth proportional to 4,995.88, 7,479.06 and 4,782.04 is: 7,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.88 : 7,479.06 = 4,782.04 : x
  2. Step 2: Convert to fraction form
    4,995.88/7,479.06 = 4,782.04/x
  3. Step 3: Cross multiply
    4,995.88x = 7,479.06 × 4,782.04
  4. Step 4: Simplify right side
    4,995.88x = 35,765,164.08
  5. Step 5: Solve for x
    x = 35,765,164.08/4,995.88
  6. Step 6: Final answer
    x = 7,158.93

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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.