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Finding the Fourth Proportional to 5,562, 7,675.56 and 3,205.51

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Solution

The fourth proportional to 5,562, 7,675.56 and 3,205.51 is: 4,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562 : 7,675.56 = 3,205.51 : x
  2. Step 2: Convert to fraction form
    5,562/7,675.56 = 3,205.51/x
  3. Step 3: Cross multiply
    5,562x = 7,675.56 × 3,205.51
  4. Step 4: Simplify right side
    5,562x = 24,604,065.15
  5. Step 5: Solve for x
    x = 24,604,065.15/5,562
  6. Step 6: Final answer
    x = 4,423.60

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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.