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Finding the Fourth Proportional to 12,737.99, 17,576.38 and 8,018.93

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Solution

The fourth proportional to 12,737.99, 17,576.38 and 8,018.93 is: 11,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.99 : 17,576.38 = 8,018.93 : x
  2. Step 2: Convert to fraction form
    12,737.99/17,576.38 = 8,018.93/x
  3. Step 3: Cross multiply
    12,737.99x = 17,576.38 × 8,018.93
  4. Step 4: Simplify right side
    12,737.99x = 140,943,760.87
  5. Step 5: Solve for x
    x = 140,943,760.87/12,737.99
  6. Step 6: Final answer
    x = 11,064.84

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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.