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Finding the Fourth Proportional to 8,935.69, 13,404.12 and 4,551.97

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Solution

The fourth proportional to 8,935.69, 13,404.12 and 4,551.97 is: 6,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.69 : 13,404.12 = 4,551.97 : x
  2. Step 2: Convert to fraction form
    8,935.69/13,404.12 = 4,551.97/x
  3. Step 3: Cross multiply
    8,935.69x = 13,404.12 × 4,551.97
  4. Step 4: Simplify right side
    8,935.69x = 61,015,152.12
  5. Step 5: Solve for x
    x = 61,015,152.12/8,935.69
  6. Step 6: Final answer
    x = 6,828.25

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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.