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Finding the Fourth Proportional to 52,954.56, 79,444 and 15,513.76

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Solution

The fourth proportional to 52,954.56, 79,444 and 15,513.76 is: 23,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,954.56 : 79,444 = 15,513.76 : x
  2. Step 2: Convert to fraction form
    52,954.56/79,444 = 15,513.76/x
  3. Step 3: Cross multiply
    52,954.56x = 79,444 × 15,513.76
  4. Step 4: Simplify right side
    52,954.56x = 1,232,475,149.44
  5. Step 5: Solve for x
    x = 1,232,475,149.44/52,954.56
  6. Step 6: Final answer
    x = 23,274.20

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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.