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Finding the Fourth Proportional to 14,363.09, 21,544.64 and 8,516.51

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Solution

The fourth proportional to 14,363.09, 21,544.64 and 8,516.51 is: 12,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.09 : 21,544.64 = 8,516.51 : x
  2. Step 2: Convert to fraction form
    14,363.09/21,544.64 = 8,516.51/x
  3. Step 3: Cross multiply
    14,363.09x = 21,544.64 × 8,516.51
  4. Step 4: Simplify right side
    14,363.09x = 183,485,142.01
  5. Step 5: Solve for x
    x = 183,485,142.01/14,363.09
  6. Step 6: Final answer
    x = 12,774.77

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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.