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Finding the Fourth Proportional to 3,322.32, 4,975.08 and 2,150.40

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Solution

The fourth proportional to 3,322.32, 4,975.08 and 2,150.40 is: 3,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.32 : 4,975.08 = 2,150.40 : x
  2. Step 2: Convert to fraction form
    3,322.32/4,975.08 = 2,150.40/x
  3. Step 3: Cross multiply
    3,322.32x = 4,975.08 × 2,150.40
  4. Step 4: Simplify right side
    3,322.32x = 10,698,412.03
  5. Step 5: Solve for x
    x = 10,698,412.03/3,322.32
  6. Step 6: Final answer
    x = 3,220.16

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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.