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Finding the Fourth Proportional to 52,767.72, 79,155.71 and 15,328.41

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Solution

The fourth proportional to 52,767.72, 79,155.71 and 15,328.41 is: 22,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,767.72 : 79,155.71 = 15,328.41 : x
  2. Step 2: Convert to fraction form
    52,767.72/79,155.71 = 15,328.41/x
  3. Step 3: Cross multiply
    52,767.72x = 79,155.71 × 15,328.41
  4. Step 4: Simplify right side
    52,767.72x = 1,213,331,100.08
  5. Step 5: Solve for x
    x = 1,213,331,100.08/52,767.72
  6. Step 6: Final answer
    x = 22,993.81

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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.