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Finding the Fourth Proportional to 9,838.91, 14,762.97 and 4,908.94

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Solution

The fourth proportional to 9,838.91, 14,762.97 and 4,908.94 is: 7,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.91 : 14,762.97 = 4,908.94 : x
  2. Step 2: Convert to fraction form
    9,838.91/14,762.97 = 4,908.94/x
  3. Step 3: Cross multiply
    9,838.91x = 14,762.97 × 4,908.94
  4. Step 4: Simplify right side
    9,838.91x = 72,470,497.04
  5. Step 5: Solve for x
    x = 72,470,497.04/9,838.91
  6. Step 6: Final answer
    x = 7,365.70

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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.