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Finding the Fourth Proportional to 1,031.00, 1,544.67 and 683.51

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Solution

The fourth proportional to 1,031.00, 1,544.67 and 683.51 is: 1,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.00 : 1,544.67 = 683.51 : x
  2. Step 2: Convert to fraction form
    1,031.00/1,544.67 = 683.51/x
  3. Step 3: Cross multiply
    1,031.00x = 1,544.67 × 683.51
  4. Step 4: Simplify right side
    1,031.00x = 1,055,789.67
  5. Step 5: Solve for x
    x = 1,055,789.67/1,031.00
  6. Step 6: Final answer
    x = 1,024.05

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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.