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Finding the Fourth Proportional to 4,467.84, 6,699.69 and 2,619.51

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Solution

The fourth proportional to 4,467.84, 6,699.69 and 2,619.51 is: 3,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.84 : 6,699.69 = 2,619.51 : x
  2. Step 2: Convert to fraction form
    4,467.84/6,699.69 = 2,619.51/x
  3. Step 3: Cross multiply
    4,467.84x = 6,699.69 × 2,619.51
  4. Step 4: Simplify right side
    4,467.84x = 17,549,904.95
  5. Step 5: Solve for x
    x = 17,549,904.95/4,467.84
  6. Step 6: Final answer
    x = 3,928.05

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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.