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Finding the Fourth Proportional to 12,750.22, 17,585.94 and 7,444.72

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Solution

The fourth proportional to 12,750.22, 17,585.94 and 7,444.72 is: 10,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.22 : 17,585.94 = 7,444.72 : x
  2. Step 2: Convert to fraction form
    12,750.22/17,585.94 = 7,444.72/x
  3. Step 3: Cross multiply
    12,750.22x = 17,585.94 × 7,444.72
  4. Step 4: Simplify right side
    12,750.22x = 130,922,399.24
  5. Step 5: Solve for x
    x = 130,922,399.24/12,750.22
  6. Step 6: Final answer
    x = 10,268.25

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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.