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Finding the Fourth Proportional to 4,764.06, 7,147.11 and 1,477.08

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Solution

The fourth proportional to 4,764.06, 7,147.11 and 1,477.08 is: 2,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.06 : 7,147.11 = 1,477.08 : x
  2. Step 2: Convert to fraction form
    4,764.06/7,147.11 = 1,477.08/x
  3. Step 3: Cross multiply
    4,764.06x = 7,147.11 × 1,477.08
  4. Step 4: Simplify right side
    4,764.06x = 10,556,853.24
  5. Step 5: Solve for x
    x = 10,556,853.24/4,764.06
  6. Step 6: Final answer
    x = 2,215.94

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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.