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Finding the Fourth Proportional to 7,308.56, 10,955.52 and 3,150.32

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Solution

The fourth proportional to 7,308.56, 10,955.52 and 3,150.32 is: 4,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.56 : 10,955.52 = 3,150.32 : x
  2. Step 2: Convert to fraction form
    7,308.56/10,955.52 = 3,150.32/x
  3. Step 3: Cross multiply
    7,308.56x = 10,955.52 × 3,150.32
  4. Step 4: Simplify right side
    7,308.56x = 34,513,393.77
  5. Step 5: Solve for x
    x = 34,513,393.77/7,308.56
  6. Step 6: Final answer
    x = 4,722.32

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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.