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Finding the Fourth Proportional to 20,563.88, 30,832.86 and 17,444.98

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Solution

The fourth proportional to 20,563.88, 30,832.86 and 17,444.98 is: 26,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.88 : 30,832.86 = 17,444.98 : x
  2. Step 2: Convert to fraction form
    20,563.88/30,832.86 = 17,444.98/x
  3. Step 3: Cross multiply
    20,563.88x = 30,832.86 × 17,444.98
  4. Step 4: Simplify right side
    20,563.88x = 537,878,626.04
  5. Step 5: Solve for x
    x = 537,878,626.04/20,563.88
  6. Step 6: Final answer
    x = 26,156.48

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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.