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Finding the Fourth Proportional to 2,976.41, 4,464.10 and 785.16

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Solution

The fourth proportional to 2,976.41, 4,464.10 and 785.16 is: 1,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.41 : 4,464.10 = 785.16 : x
  2. Step 2: Convert to fraction form
    2,976.41/4,464.10 = 785.16/x
  3. Step 3: Cross multiply
    2,976.41x = 4,464.10 × 785.16
  4. Step 4: Simplify right side
    2,976.41x = 3,505,032.76
  5. Step 5: Solve for x
    x = 3,505,032.76/2,976.41
  6. Step 6: Final answer
    x = 1,177.60

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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.