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Finding the Fourth Proportional to 3,150.66, 4,720.53 and 1,504.95

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Solution

The fourth proportional to 3,150.66, 4,720.53 and 1,504.95 is: 2,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.66 : 4,720.53 = 1,504.95 : x
  2. Step 2: Convert to fraction form
    3,150.66/4,720.53 = 1,504.95/x
  3. Step 3: Cross multiply
    3,150.66x = 4,720.53 × 1,504.95
  4. Step 4: Simplify right side
    3,150.66x = 7,104,161.62
  5. Step 5: Solve for x
    x = 7,104,161.62/3,150.66
  6. Step 6: Final answer
    x = 2,254.82

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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.