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Finding the Fourth Proportional to 8,660.84, 11,952 and 5,475.53

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Solution

The fourth proportional to 8,660.84, 11,952 and 5,475.53 is: 7,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.84 : 11,952 = 5,475.53 : x
  2. Step 2: Convert to fraction form
    8,660.84/11,952 = 5,475.53/x
  3. Step 3: Cross multiply
    8,660.84x = 11,952 × 5,475.53
  4. Step 4: Simplify right side
    8,660.84x = 65,443,534.56
  5. Step 5: Solve for x
    x = 65,443,534.56/8,660.84
  6. Step 6: Final answer
    x = 7,556.26

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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.