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Finding the Fourth Proportional to 10,369.54, 14,310.16 and 5,653.82

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Solution

The fourth proportional to 10,369.54, 14,310.16 and 5,653.82 is: 7,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.54 : 14,310.16 = 5,653.82 : x
  2. Step 2: Convert to fraction form
    10,369.54/14,310.16 = 5,653.82/x
  3. Step 3: Cross multiply
    10,369.54x = 14,310.16 × 5,653.82
  4. Step 4: Simplify right side
    10,369.54x = 80,907,068.81
  5. Step 5: Solve for x
    x = 80,907,068.81/10,369.54
  6. Step 6: Final answer
    x = 7,802.38

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Why These Related Problems?

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