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Finding the Fourth Proportional to 27,236.84, 40,834.46 and 12,435.48

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Solution

The fourth proportional to 27,236.84, 40,834.46 and 12,435.48 is: 18,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,236.84 : 40,834.46 = 12,435.48 : x
  2. Step 2: Convert to fraction form
    27,236.84/40,834.46 = 12,435.48/x
  3. Step 3: Cross multiply
    27,236.84x = 40,834.46 × 12,435.48
  4. Step 4: Simplify right side
    27,236.84x = 507,796,110.64
  5. Step 5: Solve for x
    x = 507,796,110.64/27,236.84
  6. Step 6: Final answer
    x = 18,643.72

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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.