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Finding the Fourth Proportional to 2,950.43, 4,064.27 and 2,389.33

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Solution

The fourth proportional to 2,950.43, 4,064.27 and 2,389.33 is: 3,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.43 : 4,064.27 = 2,389.33 : x
  2. Step 2: Convert to fraction form
    2,950.43/4,064.27 = 2,389.33/x
  3. Step 3: Cross multiply
    2,950.43x = 4,064.27 × 2,389.33
  4. Step 4: Simplify right side
    2,950.43x = 9,710,875.37
  5. Step 5: Solve for x
    x = 9,710,875.37/2,950.43
  6. Step 6: Final answer
    x = 3,291.34

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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.