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Finding the Fourth Proportional to 6,606.38, 9,119.72 and 4,624.72

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Solution

The fourth proportional to 6,606.38, 9,119.72 and 4,624.72 is: 6,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.38 : 9,119.72 = 4,624.72 : x
  2. Step 2: Convert to fraction form
    6,606.38/9,119.72 = 4,624.72/x
  3. Step 3: Cross multiply
    6,606.38x = 9,119.72 × 4,624.72
  4. Step 4: Simplify right side
    6,606.38x = 42,176,105.56
  5. Step 5: Solve for x
    x = 42,176,105.56/6,606.38
  6. Step 6: Final answer
    x = 6,384.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.