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Finding the Fourth Proportional to 5,666.53, 8,503.12 and 2,379.37

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Solution

The fourth proportional to 5,666.53, 8,503.12 and 2,379.37 is: 3,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.53 : 8,503.12 = 2,379.37 : x
  2. Step 2: Convert to fraction form
    5,666.53/8,503.12 = 2,379.37/x
  3. Step 3: Cross multiply
    5,666.53x = 8,503.12 × 2,379.37
  4. Step 4: Simplify right side
    5,666.53x = 20,232,026.12
  5. Step 5: Solve for x
    x = 20,232,026.12/5,666.53
  6. Step 6: Final answer
    x = 3,570.45

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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.