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Finding the Fourth Proportional to 36,959.97, 55,461.83 and 13,602.81

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Solution

The fourth proportional to 36,959.97, 55,461.83 and 13,602.81 is: 20,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.97 : 55,461.83 = 13,602.81 : x
  2. Step 2: Convert to fraction form
    36,959.97/55,461.83 = 13,602.81/x
  3. Step 3: Cross multiply
    36,959.97x = 55,461.83 × 13,602.81
  4. Step 4: Simplify right side
    36,959.97x = 754,436,667.73
  5. Step 5: Solve for x
    x = 754,436,667.73/36,959.97
  6. Step 6: Final answer
    x = 20,412.26

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1.5x scale

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.