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Finding the Fourth Proportional to 7,205.99, 10,813.16 and 3,045.73

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Solution

The fourth proportional to 7,205.99, 10,813.16 and 3,045.73 is: 4,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.99 : 10,813.16 = 3,045.73 : x
  2. Step 2: Convert to fraction form
    7,205.99/10,813.16 = 3,045.73/x
  3. Step 3: Cross multiply
    7,205.99x = 10,813.16 × 3,045.73
  4. Step 4: Simplify right side
    7,205.99x = 32,933,965.81
  5. Step 5: Solve for x
    x = 32,933,965.81/7,205.99
  6. Step 6: Final answer
    x = 4,570.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.