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Finding the Fourth Proportional to 33,123.94, 45,711.03 and 18,984.98

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Solution

The fourth proportional to 33,123.94, 45,711.03 and 18,984.98 is: 26,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.94 : 45,711.03 = 18,984.98 : x
  2. Step 2: Convert to fraction form
    33,123.94/45,711.03 = 18,984.98/x
  3. Step 3: Cross multiply
    33,123.94x = 45,711.03 × 18,984.98
  4. Step 4: Simplify right side
    33,123.94x = 867,823,175.80
  5. Step 5: Solve for x
    x = 867,823,175.80/33,123.94
  6. Step 6: Final answer
    x = 26,199.28

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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.