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Finding the Fourth Proportional to 8,984.90, 13,471.51 and 4,304.79

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Solution

The fourth proportional to 8,984.90, 13,471.51 and 4,304.79 is: 6,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.90 : 13,471.51 = 4,304.79 : x
  2. Step 2: Convert to fraction form
    8,984.90/13,471.51 = 4,304.79/x
  3. Step 3: Cross multiply
    8,984.90x = 13,471.51 × 4,304.79
  4. Step 4: Simplify right side
    8,984.90x = 57,992,021.53
  5. Step 5: Solve for x
    x = 57,992,021.53/8,984.90
  6. Step 6: Final answer
    x = 6,454.39

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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.