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Finding the Fourth Proportional to 8,955.47, 13,425.48 and 3,954.03

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Solution

The fourth proportional to 8,955.47, 13,425.48 and 3,954.03 is: 5,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.47 : 13,425.48 = 3,954.03 : x
  2. Step 2: Convert to fraction form
    8,955.47/13,425.48 = 3,954.03/x
  3. Step 3: Cross multiply
    8,955.47x = 13,425.48 × 3,954.03
  4. Step 4: Simplify right side
    8,955.47x = 53,084,750.68
  5. Step 5: Solve for x
    x = 53,084,750.68/8,955.47
  6. Step 6: Final answer
    x = 5,927.64

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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.