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Finding the Fourth Proportional to 40,041, 55,258.68 and 23,047.80

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Solution

The fourth proportional to 40,041, 55,258.68 and 23,047.80 is: 31,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041 : 55,258.68 = 23,047.80 : x
  2. Step 2: Convert to fraction form
    40,041/55,258.68 = 23,047.80/x
  3. Step 3: Cross multiply
    40,041x = 55,258.68 × 23,047.80
  4. Step 4: Simplify right side
    40,041x = 1,273,591,004.90
  5. Step 5: Solve for x
    x = 1,273,591,004.90/40,041
  6. Step 6: Final answer
    x = 31,807.17

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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.