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Finding the Fourth Proportional to 39,792.94, 54,914.29 and 23,025.94

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Solution

The fourth proportional to 39,792.94, 54,914.29 and 23,025.94 is: 31,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792.94 : 54,914.29 = 23,025.94 : x
  2. Step 2: Convert to fraction form
    39,792.94/54,914.29 = 23,025.94/x
  3. Step 3: Cross multiply
    39,792.94x = 54,914.29 × 23,025.94
  4. Step 4: Simplify right side
    39,792.94x = 1,264,452,951.83
  5. Step 5: Solve for x
    x = 1,264,452,951.83/39,792.94
  6. Step 6: Final answer
    x = 31,775.81

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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.