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Finding the Fourth Proportional to 4,751.70, 7,127.24 and 1,464.51

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Solution

The fourth proportional to 4,751.70, 7,127.24 and 1,464.51 is: 2,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.70 : 7,127.24 = 1,464.51 : x
  2. Step 2: Convert to fraction form
    4,751.70/7,127.24 = 1,464.51/x
  3. Step 3: Cross multiply
    4,751.70x = 7,127.24 × 1,464.51
  4. Step 4: Simplify right side
    4,751.70x = 10,437,906.93
  5. Step 5: Solve for x
    x = 10,437,906.93/4,751.70
  6. Step 6: Final answer
    x = 2,196.67

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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.