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Finding the Fourth Proportional to 36,943.52, 55,428.03 and 20,282.22

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Solution

The fourth proportional to 36,943.52, 55,428.03 and 20,282.22 is: 30,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,943.52 : 55,428.03 = 20,282.22 : x
  2. Step 2: Convert to fraction form
    36,943.52/55,428.03 = 20,282.22/x
  3. Step 3: Cross multiply
    36,943.52x = 55,428.03 × 20,282.22
  4. Step 4: Simplify right side
    36,943.52x = 1,124,203,498.63
  5. Step 5: Solve for x
    x = 1,124,203,498.63/36,943.52
  6. Step 6: Final answer
    x = 30,430.33

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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.