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Finding the Fourth Proportional to 60,048, 90,072 and 16,272

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Solution

The fourth proportional to 60,048, 90,072 and 16,272 is: 24,408

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,048 : 90,072 = 16,272 : x
  2. Step 2: Convert to fraction form
    60,048/90,072 = 16,272/x
  3. Step 3: Cross multiply
    60,048x = 90,072 × 16,272
  4. Step 4: Simplify right side
    60,048x = 1,465,651,584
  5. Step 5: Solve for x
    x = 1,465,651,584/60,048
  6. Step 6: Final answer
    x = 24,408

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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.