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Finding the Fourth Proportional to 5,673.80, 8,501.10 and 2,745.80

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Solution

The fourth proportional to 5,673.80, 8,501.10 and 2,745.80 is: 4,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.80 : 8,501.10 = 2,745.80 : x
  2. Step 2: Convert to fraction form
    5,673.80/8,501.10 = 2,745.80/x
  3. Step 3: Cross multiply
    5,673.80x = 8,501.10 × 2,745.80
  4. Step 4: Simplify right side
    5,673.80x = 23,342,320.38
  5. Step 5: Solve for x
    x = 23,342,320.38/5,673.80
  6. Step 6: Final answer
    x = 4,114.05

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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.