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Finding the Fourth Proportional to 5,649.99, 7,797.38 and 3,132.34

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Solution

The fourth proportional to 5,649.99, 7,797.38 and 3,132.34 is: 4,322.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.99 : 7,797.38 = 3,132.34 : x
  2. Step 2: Convert to fraction form
    5,649.99/7,797.38 = 3,132.34/x
  3. Step 3: Cross multiply
    5,649.99x = 7,797.38 × 3,132.34
  4. Step 4: Simplify right side
    5,649.99x = 24,424,021.16
  5. Step 5: Solve for x
    x = 24,424,021.16/5,649.99
  6. Step 6: Final answer
    x = 4,322.84

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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.