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Finding the Fourth Proportional to 9,938.91, 14,908.37 and 3,369.72

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Solution

The fourth proportional to 9,938.91, 14,908.37 and 3,369.72 is: 5,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.91 : 14,908.37 = 3,369.72 : x
  2. Step 2: Convert to fraction form
    9,938.91/14,908.37 = 3,369.72/x
  3. Step 3: Cross multiply
    9,938.91x = 14,908.37 × 3,369.72
  4. Step 4: Simplify right side
    9,938.91x = 50,237,015.71
  5. Step 5: Solve for x
    x = 50,237,015.71/9,938.91
  6. Step 6: Final answer
    x = 5,054.58

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1.5x scale

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.