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Finding the Fourth Proportional to 10,364.36, 14,302.31 and 5,648.54

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Solution

The fourth proportional to 10,364.36, 14,302.31 and 5,648.54 is: 7,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.36 : 14,302.31 = 5,648.54 : x
  2. Step 2: Convert to fraction form
    10,364.36/14,302.31 = 5,648.54/x
  3. Step 3: Cross multiply
    10,364.36x = 14,302.31 × 5,648.54
  4. Step 4: Simplify right side
    10,364.36x = 80,787,070.37
  5. Step 5: Solve for x
    x = 80,787,070.37/10,364.36
  6. Step 6: Final answer
    x = 7,794.70

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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.