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Finding the Fourth Proportional to 39,888, 59,832 and 10,704

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Solution

The fourth proportional to 39,888, 59,832 and 10,704 is: 16,056

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888 : 59,832 = 10,704 : x
  2. Step 2: Convert to fraction form
    39,888/59,832 = 10,704/x
  3. Step 3: Cross multiply
    39,888x = 59,832 × 10,704
  4. Step 4: Simplify right side
    39,888x = 640,441,728
  5. Step 5: Solve for x
    x = 640,441,728/39,888
  6. Step 6: Final answer
    x = 16,056

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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.