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Finding the Fourth Proportional to 35,954.47, 53,912.71 and 15,955.28

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Solution

The fourth proportional to 35,954.47, 53,912.71 and 15,955.28 is: 23,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954.47 : 53,912.71 = 15,955.28 : x
  2. Step 2: Convert to fraction form
    35,954.47/53,912.71 = 15,955.28/x
  3. Step 3: Cross multiply
    35,954.47x = 53,912.71 × 15,955.28
  4. Step 4: Simplify right side
    35,954.47x = 860,192,159.97
  5. Step 5: Solve for x
    x = 860,192,159.97/35,954.47
  6. Step 6: Final answer
    x = 23,924.48

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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.