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Finding the Fourth Proportional to 4,621.58, 6,932.90 and 1,699.90

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Solution

The fourth proportional to 4,621.58, 6,932.90 and 1,699.90 is: 2,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.58 : 6,932.90 = 1,699.90 : x
  2. Step 2: Convert to fraction form
    4,621.58/6,932.90 = 1,699.90/x
  3. Step 3: Cross multiply
    4,621.58x = 6,932.90 × 1,699.90
  4. Step 4: Simplify right side
    4,621.58x = 11,785,236.71
  5. Step 5: Solve for x
    x = 11,785,236.71/4,621.58
  6. Step 6: Final answer
    x = 2,550.04

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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.