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Finding the Fourth Proportional to 9,448, 13,038.24 and 5,257.06

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Solution

The fourth proportional to 9,448, 13,038.24 and 5,257.06 is: 7,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448 : 13,038.24 = 5,257.06 : x
  2. Step 2: Convert to fraction form
    9,448/13,038.24 = 5,257.06/x
  3. Step 3: Cross multiply
    9,448x = 13,038.24 × 5,257.06
  4. Step 4: Simplify right side
    9,448x = 68,542,809.97
  5. Step 5: Solve for x
    x = 68,542,809.97/9,448
  6. Step 6: Final answer
    x = 7,254.74

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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.