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Finding the Fourth Proportional to 52,704, 79,056 and 15,768

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Solution

The fourth proportional to 52,704, 79,056 and 15,768 is: 23,652

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,704 : 79,056 = 15,768 : x
  2. Step 2: Convert to fraction form
    52,704/79,056 = 15,768/x
  3. Step 3: Cross multiply
    52,704x = 79,056 × 15,768
  4. Step 4: Simplify right side
    52,704x = 1,246,555,008
  5. Step 5: Solve for x
    x = 1,246,555,008/52,704
  6. Step 6: Final answer
    x = 23,652

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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.