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Finding the Fourth Proportional to 16,838.94, 25,258.50 and 8,047.20

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Solution

The fourth proportional to 16,838.94, 25,258.50 and 8,047.20 is: 12,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.94 : 25,258.50 = 8,047.20 : x
  2. Step 2: Convert to fraction form
    16,838.94/25,258.50 = 8,047.20/x
  3. Step 3: Cross multiply
    16,838.94x = 25,258.50 × 8,047.20
  4. Step 4: Simplify right side
    16,838.94x = 203,260,201.20
  5. Step 5: Solve for x
    x = 203,260,201.20/16,838.94
  6. Step 6: Final answer
    x = 12,070.84

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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.