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Finding the Fourth Proportional to 17,989.52, 26,803.41 and 16,983.50

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Solution

The fourth proportional to 17,989.52, 26,803.41 and 16,983.50 is: 25,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.52 : 26,803.41 = 16,983.50 : x
  2. Step 2: Convert to fraction form
    17,989.52/26,803.41 = 16,983.50/x
  3. Step 3: Cross multiply
    17,989.52x = 26,803.41 × 16,983.50
  4. Step 4: Simplify right side
    17,989.52x = 455,215,713.74
  5. Step 5: Solve for x
    x = 455,215,713.74/17,989.52
  6. Step 6: Final answer
    x = 25,304.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.