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Finding the Fourth Proportional to 9,939.81, 14,877.24 and 7,306.62

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Solution

The fourth proportional to 9,939.81, 14,877.24 and 7,306.62 is: 10,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.81 : 14,877.24 = 7,306.62 : x
  2. Step 2: Convert to fraction form
    9,939.81/14,877.24 = 7,306.62/x
  3. Step 3: Cross multiply
    9,939.81x = 14,877.24 × 7,306.62
  4. Step 4: Simplify right side
    9,939.81x = 108,702,339.33
  5. Step 5: Solve for x
    x = 108,702,339.33/9,939.81
  6. Step 6: Final answer
    x = 10,936.06

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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.