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Finding the Fourth Proportional to 3,357.16, 4,632.72 and 1,865.02

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Solution

The fourth proportional to 3,357.16, 4,632.72 and 1,865.02 is: 2,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.16 : 4,632.72 = 1,865.02 : x
  2. Step 2: Convert to fraction form
    3,357.16/4,632.72 = 1,865.02/x
  3. Step 3: Cross multiply
    3,357.16x = 4,632.72 × 1,865.02
  4. Step 4: Simplify right side
    3,357.16x = 8,640,115.45
  5. Step 5: Solve for x
    x = 8,640,115.45/3,357.16
  6. Step 6: Final answer
    x = 2,573.64

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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.