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Finding the Fourth Proportional to 27,474.60, 41,211.90 and 25,631.40

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Solution

The fourth proportional to 27,474.60, 41,211.90 and 25,631.40 is: 38,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,474.60 : 41,211.90 = 25,631.40 : x
  2. Step 2: Convert to fraction form
    27,474.60/41,211.90 = 25,631.40/x
  3. Step 3: Cross multiply
    27,474.60x = 41,211.90 × 25,631.40
  4. Step 4: Simplify right side
    27,474.60x = 1,056,318,693.66
  5. Step 5: Solve for x
    x = 1,056,318,693.66/27,474.60
  6. Step 6: Final answer
    x = 38,447.10

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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.