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Finding the Fourth Proportional to 52,807.94, 79,211.91 and 17,747.59

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Solution

The fourth proportional to 52,807.94, 79,211.91 and 17,747.59 is: 26,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.94 : 79,211.91 = 17,747.59 : x
  2. Step 2: Convert to fraction form
    52,807.94/79,211.91 = 17,747.59/x
  3. Step 3: Cross multiply
    52,807.94x = 79,211.91 × 17,747.59
  4. Step 4: Simplify right side
    52,807.94x = 1,405,820,501.80
  5. Step 5: Solve for x
    x = 1,405,820,501.80/52,807.94
  6. Step 6: Final answer
    x = 26,621.39

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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.