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Finding the Fourth Proportional to 9,913.86, 14,850.54 and 5,533.65

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Solution

The fourth proportional to 9,913.86, 14,850.54 and 5,533.65 is: 8,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.86 : 14,850.54 = 5,533.65 : x
  2. Step 2: Convert to fraction form
    9,913.86/14,850.54 = 5,533.65/x
  3. Step 3: Cross multiply
    9,913.86x = 14,850.54 × 5,533.65
  4. Step 4: Simplify right side
    9,913.86x = 82,177,690.67
  5. Step 5: Solve for x
    x = 82,177,690.67/9,913.86
  6. Step 6: Final answer
    x = 8,289.17

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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.