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Finding the Fourth Proportional to 22,503.36, 33,755.04 and 8,642.64

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Solution

The fourth proportional to 22,503.36, 33,755.04 and 8,642.64 is: 12,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.36 : 33,755.04 = 8,642.64 : x
  2. Step 2: Convert to fraction form
    22,503.36/33,755.04 = 8,642.64/x
  3. Step 3: Cross multiply
    22,503.36x = 33,755.04 × 8,642.64
  4. Step 4: Simplify right side
    22,503.36x = 291,732,658.91
  5. Step 5: Solve for x
    x = 291,732,658.91/22,503.36
  6. Step 6: Final answer
    x = 12,963.96

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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.