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Finding the Fourth Proportional to 4,662.51, 6,435.15 and 2,984.63

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Solution

The fourth proportional to 4,662.51, 6,435.15 and 2,984.63 is: 4,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.51 : 6,435.15 = 2,984.63 : x
  2. Step 2: Convert to fraction form
    4,662.51/6,435.15 = 2,984.63/x
  3. Step 3: Cross multiply
    4,662.51x = 6,435.15 × 2,984.63
  4. Step 4: Simplify right side
    4,662.51x = 19,206,494.65
  5. Step 5: Solve for x
    x = 19,206,494.65/4,662.51
  6. Step 6: Final answer
    x = 4,119.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.