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Finding the Fourth Proportional to 7,048.21, 10,568.21 and 2,666.00

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Solution

The fourth proportional to 7,048.21, 10,568.21 and 2,666.00 is: 3,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.21 : 10,568.21 = 2,666.00 : x
  2. Step 2: Convert to fraction form
    7,048.21/10,568.21 = 2,666.00/x
  3. Step 3: Cross multiply
    7,048.21x = 10,568.21 × 2,666.00
  4. Step 4: Simplify right side
    7,048.21x = 28,174,890.76
  5. Step 5: Solve for x
    x = 28,174,890.76/7,048.21
  6. Step 6: Final answer
    x = 3,997.46

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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.