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Finding the Fourth Proportional to 9,928.07, 14,882.84 and 3,349.65

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Solution

The fourth proportional to 9,928.07, 14,882.84 and 3,349.65 is: 5,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.07 : 14,882.84 = 3,349.65 : x
  2. Step 2: Convert to fraction form
    9,928.07/14,882.84 = 3,349.65/x
  3. Step 3: Cross multiply
    9,928.07x = 14,882.84 × 3,349.65
  4. Step 4: Simplify right side
    9,928.07x = 49,852,356.63
  5. Step 5: Solve for x
    x = 49,852,356.63/9,928.07
  6. Step 6: Final answer
    x = 5,021.35

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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.