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Finding the Fourth Proportional to 52,860.70, 79,303.81 and 17,324.69

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Solution

The fourth proportional to 52,860.70, 79,303.81 and 17,324.69 is: 25,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.70 : 79,303.81 = 17,324.69 : x
  2. Step 2: Convert to fraction form
    52,860.70/79,303.81 = 17,324.69/x
  3. Step 3: Cross multiply
    52,860.70x = 79,303.81 × 17,324.69
  4. Step 4: Simplify right side
    52,860.70x = 1,373,913,516.72
  5. Step 5: Solve for x
    x = 1,373,913,516.72/52,860.70
  6. Step 6: Final answer
    x = 25,991.21

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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.