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Finding the Fourth Proportional to 33,245.84, 45,878.79 and 19,098.80

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Solution

The fourth proportional to 33,245.84, 45,878.79 and 19,098.80 is: 26,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.84 : 45,878.79 = 19,098.80 : x
  2. Step 2: Convert to fraction form
    33,245.84/45,878.79 = 19,098.80/x
  3. Step 3: Cross multiply
    33,245.84x = 45,878.79 × 19,098.80
  4. Step 4: Simplify right side
    33,245.84x = 876,229,834.45
  5. Step 5: Solve for x
    x = 876,229,834.45/33,245.84
  6. Step 6: Final answer
    x = 26,356.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.