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Finding the Fourth Proportional to 5,262.48, 7,898.04 and 2,666.16

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Solution

The fourth proportional to 5,262.48, 7,898.04 and 2,666.16 is: 4,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.48 : 7,898.04 = 2,666.16 : x
  2. Step 2: Convert to fraction form
    5,262.48/7,898.04 = 2,666.16/x
  3. Step 3: Cross multiply
    5,262.48x = 7,898.04 × 2,666.16
  4. Step 4: Simplify right side
    5,262.48x = 21,057,438.33
  5. Step 5: Solve for x
    x = 21,057,438.33/5,262.48
  6. Step 6: Final answer
    x = 4,001.43

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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.