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Finding the Fourth Proportional to 5,666.40, 8,500.01 and 1,968.15

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Solution

The fourth proportional to 5,666.40, 8,500.01 and 1,968.15 is: 2,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.40 : 8,500.01 = 1,968.15 : x
  2. Step 2: Convert to fraction form
    5,666.40/8,500.01 = 1,968.15/x
  3. Step 3: Cross multiply
    5,666.40x = 8,500.01 × 1,968.15
  4. Step 4: Simplify right side
    5,666.40x = 16,729,294.68
  5. Step 5: Solve for x
    x = 16,729,294.68/5,666.40
  6. Step 6: Final answer
    x = 2,952.37

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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.