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Finding the Fourth Proportional to 3,263.40, 4,893.66 and 954.36

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Solution

The fourth proportional to 3,263.40, 4,893.66 and 954.36 is: 1,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.40 : 4,893.66 = 954.36 : x
  2. Step 2: Convert to fraction form
    3,263.40/4,893.66 = 954.36/x
  3. Step 3: Cross multiply
    3,263.40x = 4,893.66 × 954.36
  4. Step 4: Simplify right side
    3,263.40x = 4,670,313.36
  5. Step 5: Solve for x
    x = 4,670,313.36/3,263.40
  6. Step 6: Final answer
    x = 1,431.12

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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.