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Finding the Fourth Proportional to 37,328, 55,992 and 15,440

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Solution

The fourth proportional to 37,328, 55,992 and 15,440 is: 23,160

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328 : 55,992 = 15,440 : x
  2. Step 2: Convert to fraction form
    37,328/55,992 = 15,440/x
  3. Step 3: Cross multiply
    37,328x = 55,992 × 15,440
  4. Step 4: Simplify right side
    37,328x = 864,516,480
  5. Step 5: Solve for x
    x = 864,516,480/37,328
  6. Step 6: Final answer
    x = 23,160

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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.