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Finding the Fourth Proportional to 4,775.60, 7,160.63 and 1,850.48

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Solution

The fourth proportional to 4,775.60, 7,160.63 and 1,850.48 is: 2,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.60 : 7,160.63 = 1,850.48 : x
  2. Step 2: Convert to fraction form
    4,775.60/7,160.63 = 1,850.48/x
  3. Step 3: Cross multiply
    4,775.60x = 7,160.63 × 1,850.48
  4. Step 4: Simplify right side
    4,775.60x = 13,250,557.55
  5. Step 5: Solve for x
    x = 13,250,557.55/4,775.60
  6. Step 6: Final answer
    x = 2,774.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.