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Finding the Fourth Proportional to 33,305.80, 49,983.36 and 15,775.68

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Solution

The fourth proportional to 33,305.80, 49,983.36 and 15,775.68 is: 23,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.80 : 49,983.36 = 15,775.68 : x
  2. Step 2: Convert to fraction form
    33,305.80/49,983.36 = 15,775.68/x
  3. Step 3: Cross multiply
    33,305.80x = 49,983.36 × 15,775.68
  4. Step 4: Simplify right side
    33,305.80x = 788,521,492.68
  5. Step 5: Solve for x
    x = 788,521,492.68/33,305.80
  6. Step 6: Final answer
    x = 23,675.20

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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.