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Finding the Fourth Proportional to 1,751.94, 2,624.31 and 1,403.38

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Solution

The fourth proportional to 1,751.94, 2,624.31 and 1,403.38 is: 2,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.94 : 2,624.31 = 1,403.38 : x
  2. Step 2: Convert to fraction form
    1,751.94/2,624.31 = 1,403.38/x
  3. Step 3: Cross multiply
    1,751.94x = 2,624.31 × 1,403.38
  4. Step 4: Simplify right side
    1,751.94x = 3,682,904.17
  5. Step 5: Solve for x
    x = 3,682,904.17/1,751.94
  6. Step 6: Final answer
    x = 2,102.19

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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.