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Finding the Fourth Proportional to 29,913.99, 44,860.05 and 12,374.25

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Solution

The fourth proportional to 29,913.99, 44,860.05 and 12,374.25 is: 18,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.99 : 44,860.05 = 12,374.25 : x
  2. Step 2: Convert to fraction form
    29,913.99/44,860.05 = 12,374.25/x
  3. Step 3: Cross multiply
    29,913.99x = 44,860.05 × 12,374.25
  4. Step 4: Simplify right side
    29,913.99x = 555,109,473.71
  5. Step 5: Solve for x
    x = 555,109,473.71/29,913.99
  6. Step 6: Final answer
    x = 18,556.85

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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.