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Finding the Fourth Proportional to 22,506.79, 33,763.80 and 11,408.98

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Solution

The fourth proportional to 22,506.79, 33,763.80 and 11,408.98 is: 17,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.79 : 33,763.80 = 11,408.98 : x
  2. Step 2: Convert to fraction form
    22,506.79/33,763.80 = 11,408.98/x
  3. Step 3: Cross multiply
    22,506.79x = 33,763.80 × 11,408.98
  4. Step 4: Simplify right side
    22,506.79x = 385,210,518.92
  5. Step 5: Solve for x
    x = 385,210,518.92/22,506.79
  6. Step 6: Final answer
    x = 17,115.30

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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.