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Finding the Fourth Proportional to 5,649.70, 7,795.56 and 3,259.11

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Solution

The fourth proportional to 5,649.70, 7,795.56 and 3,259.11 is: 4,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.70 : 7,795.56 = 3,259.11 : x
  2. Step 2: Convert to fraction form
    5,649.70/7,795.56 = 3,259.11/x
  3. Step 3: Cross multiply
    5,649.70x = 7,795.56 × 3,259.11
  4. Step 4: Simplify right side
    5,649.70x = 25,406,548.57
  5. Step 5: Solve for x
    x = 25,406,548.57/5,649.70
  6. Step 6: Final answer
    x = 4,496.98

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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.