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Finding the Fourth Proportional to 1,701.02, 2,551.63 and 531.19

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Solution

The fourth proportional to 1,701.02, 2,551.63 and 531.19 is: 796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.02 : 2,551.63 = 531.19 : x
  2. Step 2: Convert to fraction form
    1,701.02/2,551.63 = 531.19/x
  3. Step 3: Cross multiply
    1,701.02x = 2,551.63 × 531.19
  4. Step 4: Simplify right side
    1,701.02x = 1,355,386.25
  5. Step 5: Solve for x
    x = 1,355,386.25/1,701.02
  6. Step 6: Final answer
    x = 796.81

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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.