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Finding the Fourth Proportional to 66,926.16, 100,372.40 and 27,494.16

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Solution

The fourth proportional to 66,926.16, 100,372.40 and 27,494.16 is: 41,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.16 : 100,372.40 = 27,494.16 : x
  2. Step 2: Convert to fraction form
    66,926.16/100,372.40 = 27,494.16/x
  3. Step 3: Cross multiply
    66,926.16x = 100,372.40 × 27,494.16
  4. Step 4: Simplify right side
    66,926.16x = 2,759,654,825.18
  5. Step 5: Solve for x
    x = 2,759,654,825.18/66,926.16
  6. Step 6: Final answer
    x = 41,234.32

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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.