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Finding the Fourth Proportional to 27,245, 40,629.08 and 26,995.88

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Solution

The fourth proportional to 27,245, 40,629.08 and 26,995.88 is: 40,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245 : 40,629.08 = 26,995.88 : x
  2. Step 2: Convert to fraction form
    27,245/40,629.08 = 26,995.88/x
  3. Step 3: Cross multiply
    27,245x = 40,629.08 × 26,995.88
  4. Step 4: Simplify right side
    27,245x = 1,096,817,565.05
  5. Step 5: Solve for x
    x = 1,096,817,565.05/27,245
  6. Step 6: Final answer
    x = 40,257.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.