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Finding the Fourth Proportional to 1,696.06, 2,544.29 and 525.79

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Solution

The fourth proportional to 1,696.06, 2,544.29 and 525.79 is: 788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.06 : 2,544.29 = 525.79 : x
  2. Step 2: Convert to fraction form
    1,696.06/2,544.29 = 525.79/x
  3. Step 3: Cross multiply
    1,696.06x = 2,544.29 × 525.79
  4. Step 4: Simplify right side
    1,696.06x = 1,337,763.28
  5. Step 5: Solve for x
    x = 1,337,763.28/1,696.06
  6. Step 6: Final answer
    x = 788.75

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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.