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Finding the Fourth Proportional to 3,475.78, 4,796.58 and 1,903.87

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Solution

The fourth proportional to 3,475.78, 4,796.58 and 1,903.87 is: 2,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.78 : 4,796.58 = 1,903.87 : x
  2. Step 2: Convert to fraction form
    3,475.78/4,796.58 = 1,903.87/x
  3. Step 3: Cross multiply
    3,475.78x = 4,796.58 × 1,903.87
  4. Step 4: Simplify right side
    3,475.78x = 9,132,077.90
  5. Step 5: Solve for x
    x = 9,132,077.90/3,475.78
  6. Step 6: Final answer
    x = 2,627.35

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