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Finding the Fourth Proportional to 11,950.92, 16,468.98 and 8,970.12

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Solution

The fourth proportional to 11,950.92, 16,468.98 and 8,970.12 is: 12,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.92 : 16,468.98 = 8,970.12 : x
  2. Step 2: Convert to fraction form
    11,950.92/16,468.98 = 8,970.12/x
  3. Step 3: Cross multiply
    11,950.92x = 16,468.98 × 8,970.12
  4. Step 4: Simplify right side
    11,950.92x = 147,728,726.88
  5. Step 5: Solve for x
    x = 147,728,726.88/11,950.92
  6. Step 6: Final answer
    x = 12,361.28

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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.