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Finding the Fourth Proportional to 6,900.99, 9,523.03 and 3,916.41

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Solution

The fourth proportional to 6,900.99, 9,523.03 and 3,916.41 is: 5,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.99 : 9,523.03 = 3,916.41 : x
  2. Step 2: Convert to fraction form
    6,900.99/9,523.03 = 3,916.41/x
  3. Step 3: Cross multiply
    6,900.99x = 9,523.03 × 3,916.41
  4. Step 4: Simplify right side
    6,900.99x = 37,296,089.92
  5. Step 5: Solve for x
    x = 37,296,089.92/6,900.99
  6. Step 6: Final answer
    x = 5,404.46

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1.5x scale

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.