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Finding the Fourth Proportional to 26,322.69, 36,322.14 and 14,992.20

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Solution

The fourth proportional to 26,322.69, 36,322.14 and 14,992.20 is: 20,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,322.69 : 36,322.14 = 14,992.20 : x
  2. Step 2: Convert to fraction form
    26,322.69/36,322.14 = 14,992.20/x
  3. Step 3: Cross multiply
    26,322.69x = 36,322.14 × 14,992.20
  4. Step 4: Simplify right side
    26,322.69x = 544,548,787.31
  5. Step 5: Solve for x
    x = 544,548,787.31/26,322.69
  6. Step 6: Final answer
    x = 20,687.43

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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.