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Finding the Fourth Proportional to 9,760.50, 14,639.94 and 4,828.41

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Solution

The fourth proportional to 9,760.50, 14,639.94 and 4,828.41 is: 7,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.50 : 14,639.94 = 4,828.41 : x
  2. Step 2: Convert to fraction form
    9,760.50/14,639.94 = 4,828.41/x
  3. Step 3: Cross multiply
    9,760.50x = 14,639.94 × 4,828.41
  4. Step 4: Simplify right side
    9,760.50x = 70,687,632.70
  5. Step 5: Solve for x
    x = 70,687,632.70/9,760.50
  6. Step 6: Final answer
    x = 7,242.21

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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.