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Finding the Fourth Proportional to 9,929.82, 13,703.41 and 5,453.99

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Solution

The fourth proportional to 9,929.82, 13,703.41 and 5,453.99 is: 7,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.82 : 13,703.41 = 5,453.99 : x
  2. Step 2: Convert to fraction form
    9,929.82/13,703.41 = 5,453.99/x
  3. Step 3: Cross multiply
    9,929.82x = 13,703.41 × 5,453.99
  4. Step 4: Simplify right side
    9,929.82x = 74,738,297.20
  5. Step 5: Solve for x
    x = 74,738,297.20/9,929.82
  6. Step 6: Final answer
    x = 7,526.65

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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.