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Finding the Fourth Proportional to 4,749.93, 7,125.30 and 1,463.76

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Solution

The fourth proportional to 4,749.93, 7,125.30 and 1,463.76 is: 2,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.93 : 7,125.30 = 1,463.76 : x
  2. Step 2: Convert to fraction form
    4,749.93/7,125.30 = 1,463.76/x
  3. Step 3: Cross multiply
    4,749.93x = 7,125.30 × 1,463.76
  4. Step 4: Simplify right side
    4,749.93x = 10,429,729.13
  5. Step 5: Solve for x
    x = 10,429,729.13/4,749.93
  6. Step 6: Final answer
    x = 2,195.76

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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.