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Finding the Fourth Proportional to 5,595.49, 7,722.48 and 3,205

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Solution

The fourth proportional to 5,595.49, 7,722.48 and 3,205 is: 4,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.49 : 7,722.48 = 3,205 : x
  2. Step 2: Convert to fraction form
    5,595.49/7,722.48 = 3,205/x
  3. Step 3: Cross multiply
    5,595.49x = 7,722.48 × 3,205
  4. Step 4: Simplify right side
    5,595.49x = 24,750,548.40
  5. Step 5: Solve for x
    x = 24,750,548.40/5,595.49
  6. Step 6: Final answer
    x = 4,423.30

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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.