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Finding the Fourth Proportional to 31,375.42, 46,786.36 and 27,020.86

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Solution

The fourth proportional to 31,375.42, 46,786.36 and 27,020.86 is: 40,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.42 : 46,786.36 = 27,020.86 : x
  2. Step 2: Convert to fraction form
    31,375.42/46,786.36 = 27,020.86/x
  3. Step 3: Cross multiply
    31,375.42x = 46,786.36 × 27,020.86
  4. Step 4: Simplify right side
    31,375.42x = 1,264,207,683.47
  5. Step 5: Solve for x
    x = 1,264,207,683.47/31,375.42
  6. Step 6: Final answer
    x = 40,292.93

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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.