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Finding the Fourth Proportional to 52,832.80, 79,223.60 and 29,434.40

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Solution

The fourth proportional to 52,832.80, 79,223.60 and 29,434.40 is: 44,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,832.80 : 79,223.60 = 29,434.40 : x
  2. Step 2: Convert to fraction form
    52,832.80/79,223.60 = 29,434.40/x
  3. Step 3: Cross multiply
    52,832.80x = 79,223.60 × 29,434.40
  4. Step 4: Simplify right side
    52,832.80x = 2,331,899,131.84
  5. Step 5: Solve for x
    x = 2,331,899,131.84/52,832.80
  6. Step 6: Final answer
    x = 44,137.34

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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.