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Finding the Fourth Proportional to 5,958.36, 8,957.78 and 4,870.62

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Solution

The fourth proportional to 5,958.36, 8,957.78 and 4,870.62 is: 7,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.36 : 8,957.78 = 4,870.62 : x
  2. Step 2: Convert to fraction form
    5,958.36/8,957.78 = 4,870.62/x
  3. Step 3: Cross multiply
    5,958.36x = 8,957.78 × 4,870.62
  4. Step 4: Simplify right side
    5,958.36x = 43,629,942.42
  5. Step 5: Solve for x
    x = 43,629,942.42/5,958.36
  6. Step 6: Final answer
    x = 7,322.48

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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.