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Finding the Fourth Proportional to 52,806.37, 79,208.81 and 12,825.62

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Solution

The fourth proportional to 52,806.37, 79,208.81 and 12,825.62 is: 19,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806.37 : 79,208.81 = 12,825.62 : x
  2. Step 2: Convert to fraction form
    52,806.37/79,208.81 = 12,825.62/x
  3. Step 3: Cross multiply
    52,806.37x = 79,208.81 × 12,825.62
  4. Step 4: Simplify right side
    52,806.37x = 1,015,902,033.58
  5. Step 5: Solve for x
    x = 1,015,902,033.58/52,806.37
  6. Step 6: Final answer
    x = 19,238.25

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1.5x scale

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.