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Finding the Fourth Proportional to 6,969.65, 10,455.93 and 2,289.29

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Solution

The fourth proportional to 6,969.65, 10,455.93 and 2,289.29 is: 3,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.65 : 10,455.93 = 2,289.29 : x
  2. Step 2: Convert to fraction form
    6,969.65/10,455.93 = 2,289.29/x
  3. Step 3: Cross multiply
    6,969.65x = 10,455.93 × 2,289.29
  4. Step 4: Simplify right side
    6,969.65x = 23,936,603.71
  5. Step 5: Solve for x
    x = 23,936,603.71/6,969.65
  6. Step 6: Final answer
    x = 3,434.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.