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Finding the Fourth Proportional to 62,928, 94,392 and 19,152

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Solution

The fourth proportional to 62,928, 94,392 and 19,152 is: 28,728

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,928 : 94,392 = 19,152 : x
  2. Step 2: Convert to fraction form
    62,928/94,392 = 19,152/x
  3. Step 3: Cross multiply
    62,928x = 94,392 × 19,152
  4. Step 4: Simplify right side
    62,928x = 1,807,795,584
  5. Step 5: Solve for x
    x = 1,807,795,584/62,928
  6. Step 6: Final answer
    x = 28,728

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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.