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Finding the Fourth Proportional to 4,985.03, 7,480.11 and 3,015.36

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Solution

The fourth proportional to 4,985.03, 7,480.11 and 3,015.36 is: 4,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.03 : 7,480.11 = 3,015.36 : x
  2. Step 2: Convert to fraction form
    4,985.03/7,480.11 = 3,015.36/x
  3. Step 3: Cross multiply
    4,985.03x = 7,480.11 × 3,015.36
  4. Step 4: Simplify right side
    4,985.03x = 22,555,254.63
  5. Step 5: Solve for x
    x = 22,555,254.63/4,985.03
  6. Step 6: Final answer
    x = 4,524.60

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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.