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Finding the Fourth Proportional to 14,673.77, 20,227.42 and 8,998.01

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Solution

The fourth proportional to 14,673.77, 20,227.42 and 8,998.01 is: 12,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.77 : 20,227.42 = 8,998.01 : x
  2. Step 2: Convert to fraction form
    14,673.77/20,227.42 = 8,998.01/x
  3. Step 3: Cross multiply
    14,673.77x = 20,227.42 × 8,998.01
  4. Step 4: Simplify right side
    14,673.77x = 182,006,527.43
  5. Step 5: Solve for x
    x = 182,006,527.43/14,673.77
  6. Step 6: Final answer
    x = 12,403.53

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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.