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Finding the Fourth Proportional to 22,484.40, 33,681.40 and 11,205.76

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Solution

The fourth proportional to 22,484.40, 33,681.40 and 11,205.76 is: 16,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,484.40 : 33,681.40 = 11,205.76 : x
  2. Step 2: Convert to fraction form
    22,484.40/33,681.40 = 11,205.76/x
  3. Step 3: Cross multiply
    22,484.40x = 33,681.40 × 11,205.76
  4. Step 4: Simplify right side
    22,484.40x = 377,425,684.86
  5. Step 5: Solve for x
    x = 377,425,684.86/22,484.40
  6. Step 6: Final answer
    x = 16,786.11

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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.