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Finding the Fourth Proportional to 10,363.86, 14,302.14 and 5,648.28

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Solution

The fourth proportional to 10,363.86, 14,302.14 and 5,648.28 is: 7,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.86 : 14,302.14 = 5,648.28 : x
  2. Step 2: Convert to fraction form
    10,363.86/14,302.14 = 5,648.28/x
  3. Step 3: Cross multiply
    10,363.86x = 14,302.14 × 5,648.28
  4. Step 4: Simplify right side
    10,363.86x = 80,782,491.32
  5. Step 5: Solve for x
    x = 80,782,491.32/10,363.86
  6. Step 6: Final answer
    x = 7,794.63

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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.