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Finding the Fourth Proportional to 8,476.56, 11,698.29 and 4,939.02

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Solution

The fourth proportional to 8,476.56, 11,698.29 and 4,939.02 is: 6,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.56 : 11,698.29 = 4,939.02 : x
  2. Step 2: Convert to fraction form
    8,476.56/11,698.29 = 4,939.02/x
  3. Step 3: Cross multiply
    8,476.56x = 11,698.29 × 4,939.02
  4. Step 4: Simplify right side
    8,476.56x = 57,778,088.28
  5. Step 5: Solve for x
    x = 57,778,088.28/8,476.56
  6. Step 6: Final answer
    x = 6,816.22

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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.