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Finding the Fourth Proportional to 1,784.96, 2,458.14 and 1,779.56

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Solution

The fourth proportional to 1,784.96, 2,458.14 and 1,779.56 is: 2,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.96 : 2,458.14 = 1,779.56 : x
  2. Step 2: Convert to fraction form
    1,784.96/2,458.14 = 1,779.56/x
  3. Step 3: Cross multiply
    1,784.96x = 2,458.14 × 1,779.56
  4. Step 4: Simplify right side
    1,784.96x = 4,374,407.62
  5. Step 5: Solve for x
    x = 4,374,407.62/1,784.96
  6. Step 6: Final answer
    x = 2,450.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.