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Finding the Fourth Proportional to 52,937.16, 79,389 and 17,392.64

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Solution

The fourth proportional to 52,937.16, 79,389 and 17,392.64 is: 26,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,937.16 : 79,389 = 17,392.64 : x
  2. Step 2: Convert to fraction form
    52,937.16/79,389 = 17,392.64/x
  3. Step 3: Cross multiply
    52,937.16x = 79,389 × 17,392.64
  4. Step 4: Simplify right side
    52,937.16x = 1,380,784,296.96
  5. Step 5: Solve for x
    x = 1,380,784,296.96/52,937.16
  6. Step 6: Final answer
    x = 26,083.46

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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.