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Finding the Fourth Proportional to 29,277, 40,405.44 and 19,213.56

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Solution

The fourth proportional to 29,277, 40,405.44 and 19,213.56 is: 26,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277 : 40,405.44 = 19,213.56 : x
  2. Step 2: Convert to fraction form
    29,277/40,405.44 = 19,213.56/x
  3. Step 3: Cross multiply
    29,277x = 40,405.44 × 19,213.56
  4. Step 4: Simplify right side
    29,277x = 776,332,345.77
  5. Step 5: Solve for x
    x = 776,332,345.77/29,277
  6. Step 6: Final answer
    x = 26,516.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.