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Finding the Fourth Proportional to 29,442.60, 44,166.60 and 11,908.80

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Solution

The fourth proportional to 29,442.60, 44,166.60 and 11,908.80 is: 17,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.60 : 44,166.60 = 11,908.80 : x
  2. Step 2: Convert to fraction form
    29,442.60/44,166.60 = 11,908.80/x
  3. Step 3: Cross multiply
    29,442.60x = 44,166.60 × 11,908.80
  4. Step 4: Simplify right side
    29,442.60x = 525,971,206.08
  5. Step 5: Solve for x
    x = 525,971,206.08/29,442.60
  6. Step 6: Final answer
    x = 17,864.29

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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.