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Finding the Fourth Proportional to 8,954.88, 13,424.04 and 5,658

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Solution

The fourth proportional to 8,954.88, 13,424.04 and 5,658 is: 8,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.88 : 13,424.04 = 5,658 : x
  2. Step 2: Convert to fraction form
    8,954.88/13,424.04 = 5,658/x
  3. Step 3: Cross multiply
    8,954.88x = 13,424.04 × 5,658
  4. Step 4: Simplify right side
    8,954.88x = 75,953,218.32
  5. Step 5: Solve for x
    x = 75,953,218.32/8,954.88
  6. Step 6: Final answer
    x = 8,481.77

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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.