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Finding the Fourth Proportional to 29,135.04, 43,704.20 and 8,358

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Solution

The fourth proportional to 29,135.04, 43,704.20 and 8,358 is: 12,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.04 : 43,704.20 = 8,358 : x
  2. Step 2: Convert to fraction form
    29,135.04/43,704.20 = 8,358/x
  3. Step 3: Cross multiply
    29,135.04x = 43,704.20 × 8,358
  4. Step 4: Simplify right side
    29,135.04x = 365,279,703.60
  5. Step 5: Solve for x
    x = 365,279,703.60/29,135.04
  6. Step 6: Final answer
    x = 12,537.47

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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.