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Finding the Fourth Proportional to 11,444.44, 15,795.78 and 6,969.64

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Solution

The fourth proportional to 11,444.44, 15,795.78 and 6,969.64 is: 9,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.44 : 15,795.78 = 6,969.64 : x
  2. Step 2: Convert to fraction form
    11,444.44/15,795.78 = 6,969.64/x
  3. Step 3: Cross multiply
    11,444.44x = 15,795.78 × 6,969.64
  4. Step 4: Simplify right side
    11,444.44x = 110,090,900.12
  5. Step 5: Solve for x
    x = 110,090,900.12/11,444.44
  6. Step 6: Final answer
    x = 9,619.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.