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Finding the Fourth Proportional to 29,590.72, 44,391.52 and 8,811.84

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Solution

The fourth proportional to 29,590.72, 44,391.52 and 8,811.84 is: 13,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,590.72 : 44,391.52 = 8,811.84 : x
  2. Step 2: Convert to fraction form
    29,590.72/44,391.52 = 8,811.84/x
  3. Step 3: Cross multiply
    29,590.72x = 44,391.52 × 8,811.84
  4. Step 4: Simplify right side
    29,590.72x = 391,170,971.60
  5. Step 5: Solve for x
    x = 391,170,971.60/29,590.72
  6. Step 6: Final answer
    x = 13,219.38

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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.