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Finding the Fourth Proportional to 15,494.64, 23,241.42 and 4,964.51

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Solution

The fourth proportional to 15,494.64, 23,241.42 and 4,964.51 is: 7,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.64 : 23,241.42 = 4,964.51 : x
  2. Step 2: Convert to fraction form
    15,494.64/23,241.42 = 4,964.51/x
  3. Step 3: Cross multiply
    15,494.64x = 23,241.42 × 4,964.51
  4. Step 4: Simplify right side
    15,494.64x = 115,382,145.80
  5. Step 5: Solve for x
    x = 115,382,145.80/15,494.64
  6. Step 6: Final answer
    x = 7,446.58

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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.