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Finding the Fourth Proportional to 17,140.92, 25,682.90 and 16,492.60

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Solution

The fourth proportional to 17,140.92, 25,682.90 and 16,492.60 is: 24,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.92 : 25,682.90 = 16,492.60 : x
  2. Step 2: Convert to fraction form
    17,140.92/25,682.90 = 16,492.60/x
  3. Step 3: Cross multiply
    17,140.92x = 25,682.90 × 16,492.60
  4. Step 4: Simplify right side
    17,140.92x = 423,577,796.54
  5. Step 5: Solve for x
    x = 423,577,796.54/17,140.92
  6. Step 6: Final answer
    x = 24,711.50

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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.