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Finding the Fourth Proportional to 33,401.76, 50,023.12 and 19,332.16

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Solution

The fourth proportional to 33,401.76, 50,023.12 and 19,332.16 is: 28,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,401.76 : 50,023.12 = 19,332.16 : x
  2. Step 2: Convert to fraction form
    33,401.76/50,023.12 = 19,332.16/x
  3. Step 3: Cross multiply
    33,401.76x = 50,023.12 × 19,332.16
  4. Step 4: Simplify right side
    33,401.76x = 967,054,959.54
  5. Step 5: Solve for x
    x = 967,054,959.54/33,401.76
  6. Step 6: Final answer
    x = 28,952.22

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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.