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Finding the Fourth Proportional to 51,857.52, 77,792.04 and 16,790.64

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Solution

The fourth proportional to 51,857.52, 77,792.04 and 16,790.64 is: 25,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,857.52 : 77,792.04 = 16,790.64 : x
  2. Step 2: Convert to fraction form
    51,857.52/77,792.04 = 16,790.64/x
  3. Step 3: Cross multiply
    51,857.52x = 77,792.04 × 16,790.64
  4. Step 4: Simplify right side
    51,857.52x = 1,306,178,138.51
  5. Step 5: Solve for x
    x = 1,306,178,138.51/51,857.52
  6. Step 6: Final answer
    x = 25,187.82

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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.