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Finding the Fourth Proportional to 5,442.65, 7,500.11 and 3,866.33

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Solution

The fourth proportional to 5,442.65, 7,500.11 and 3,866.33 is: 5,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.65 : 7,500.11 = 3,866.33 : x
  2. Step 2: Convert to fraction form
    5,442.65/7,500.11 = 3,866.33/x
  3. Step 3: Cross multiply
    5,442.65x = 7,500.11 × 3,866.33
  4. Step 4: Simplify right side
    5,442.65x = 28,997,880.96
  5. Step 5: Solve for x
    x = 28,997,880.96/5,442.65
  6. Step 6: Final answer
    x = 5,327.90

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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.