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Finding the Fourth Proportional to 14,600.77, 21,873.46 and 8,665.11

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Solution

The fourth proportional to 14,600.77, 21,873.46 and 8,665.11 is: 12,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.77 : 21,873.46 = 8,665.11 : x
  2. Step 2: Convert to fraction form
    14,600.77/21,873.46 = 8,665.11/x
  3. Step 3: Cross multiply
    14,600.77x = 21,873.46 × 8,665.11
  4. Step 4: Simplify right side
    14,600.77x = 189,535,936.98
  5. Step 5: Solve for x
    x = 189,535,936.98/14,600.77
  6. Step 6: Final answer
    x = 12,981.23

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1.5x scale

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.