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Finding the Fourth Proportional to 1,751.68, 2,625.12 and 1,699.12

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Solution

The fourth proportional to 1,751.68, 2,625.12 and 1,699.12 is: 2,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.68 : 2,625.12 = 1,699.12 : x
  2. Step 2: Convert to fraction form
    1,751.68/2,625.12 = 1,699.12/x
  3. Step 3: Cross multiply
    1,751.68x = 2,625.12 × 1,699.12
  4. Step 4: Simplify right side
    1,751.68x = 4,460,393.89
  5. Step 5: Solve for x
    x = 4,460,393.89/1,751.68
  6. Step 6: Final answer
    x = 2,546.35

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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.