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Finding the Fourth Proportional to 5,051.74, 7,575.44 and 1,763.86

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Solution

The fourth proportional to 5,051.74, 7,575.44 and 1,763.86 is: 2,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.74 : 7,575.44 = 1,763.86 : x
  2. Step 2: Convert to fraction form
    5,051.74/7,575.44 = 1,763.86/x
  3. Step 3: Cross multiply
    5,051.74x = 7,575.44 × 1,763.86
  4. Step 4: Simplify right side
    5,051.74x = 13,362,015.60
  5. Step 5: Solve for x
    x = 13,362,015.60/5,051.74
  6. Step 6: Final answer
    x = 2,645.03

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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.