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Finding the Fourth Proportional to 4,268.07, 6,402.10 and 1,190.07

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Solution

The fourth proportional to 4,268.07, 6,402.10 and 1,190.07 is: 1,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.07 : 6,402.10 = 1,190.07 : x
  2. Step 2: Convert to fraction form
    4,268.07/6,402.10 = 1,190.07/x
  3. Step 3: Cross multiply
    4,268.07x = 6,402.10 × 1,190.07
  4. Step 4: Simplify right side
    4,268.07x = 7,618,909.19
  5. Step 5: Solve for x
    x = 7,618,909.19/4,268.07
  6. Step 6: Final answer
    x = 1,785.10

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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.