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Finding the Fourth Proportional to 16,736.40, 25,104.60 and 6,870.60

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Solution

The fourth proportional to 16,736.40, 25,104.60 and 6,870.60 is: 10,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,736.40 : 25,104.60 = 6,870.60 : x
  2. Step 2: Convert to fraction form
    16,736.40/25,104.60 = 6,870.60/x
  3. Step 3: Cross multiply
    16,736.40x = 25,104.60 × 6,870.60
  4. Step 4: Simplify right side
    16,736.40x = 172,483,664.76
  5. Step 5: Solve for x
    x = 172,483,664.76/16,736.40
  6. Step 6: Final answer
    x = 10,305.90

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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.