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Finding the Fourth Proportional to 52,812.94, 79,224.29 and 17,274.46

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Solution

The fourth proportional to 52,812.94, 79,224.29 and 17,274.46 is: 25,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.94 : 79,224.29 = 17,274.46 : x
  2. Step 2: Convert to fraction form
    52,812.94/79,224.29 = 17,274.46/x
  3. Step 3: Cross multiply
    52,812.94x = 79,224.29 × 17,274.46
  4. Step 4: Simplify right side
    52,812.94x = 1,368,556,608.98
  5. Step 5: Solve for x
    x = 1,368,556,608.98/52,812.94
  6. Step 6: Final answer
    x = 25,913.28

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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.