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Finding the Fourth Proportional to 55,348.77, 83,047.49 and 29,047.40

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Solution

The fourth proportional to 55,348.77, 83,047.49 and 29,047.40 is: 43,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.77 : 83,047.49 = 29,047.40 : x
  2. Step 2: Convert to fraction form
    55,348.77/83,047.49 = 29,047.40/x
  3. Step 3: Cross multiply
    55,348.77x = 83,047.49 × 29,047.40
  4. Step 4: Simplify right side
    55,348.77x = 2,412,313,661.03
  5. Step 5: Solve for x
    x = 2,412,313,661.03/55,348.77
  6. Step 6: Final answer
    x = 43,583.87

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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.