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Finding the Fourth Proportional to 25,276.32, 37,914.47 and 8,636.49

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Solution

The fourth proportional to 25,276.32, 37,914.47 and 8,636.49 is: 12,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.32 : 37,914.47 = 8,636.49 : x
  2. Step 2: Convert to fraction form
    25,276.32/37,914.47 = 8,636.49/x
  3. Step 3: Cross multiply
    25,276.32x = 37,914.47 × 8,636.49
  4. Step 4: Simplify right side
    25,276.32x = 327,447,751.44
  5. Step 5: Solve for x
    x = 327,447,751.44/25,276.32
  6. Step 6: Final answer
    x = 12,954.73

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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.