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Finding the Fourth Proportional to 7,648.63, 10,554.94 and 4,291.37

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Solution

The fourth proportional to 7,648.63, 10,554.94 and 4,291.37 is: 5,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.63 : 10,554.94 = 4,291.37 : x
  2. Step 2: Convert to fraction form
    7,648.63/10,554.94 = 4,291.37/x
  3. Step 3: Cross multiply
    7,648.63x = 10,554.94 × 4,291.37
  4. Step 4: Simplify right side
    7,648.63x = 45,295,152.87
  5. Step 5: Solve for x
    x = 45,295,152.87/7,648.63
  6. Step 6: Final answer
    x = 5,922.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.