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Finding the Fourth Proportional to 9,959.48, 13,745.02 and 5,484.14

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Solution

The fourth proportional to 9,959.48, 13,745.02 and 5,484.14 is: 7,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.48 : 13,745.02 = 5,484.14 : x
  2. Step 2: Convert to fraction form
    9,959.48/13,745.02 = 5,484.14/x
  3. Step 3: Cross multiply
    9,959.48x = 13,745.02 × 5,484.14
  4. Step 4: Simplify right side
    9,959.48x = 75,379,613.98
  5. Step 5: Solve for x
    x = 75,379,613.98/9,959.48
  6. Step 6: Final answer
    x = 7,568.63

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1.5x scale

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.