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Finding the Fourth Proportional to 29,605.74, 44,440.21 and 12,747.09

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Solution

The fourth proportional to 29,605.74, 44,440.21 and 12,747.09 is: 19,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,605.74 : 44,440.21 = 12,747.09 : x
  2. Step 2: Convert to fraction form
    29,605.74/44,440.21 = 12,747.09/x
  3. Step 3: Cross multiply
    29,605.74x = 44,440.21 × 12,747.09
  4. Step 4: Simplify right side
    29,605.74x = 566,483,539.07
  5. Step 5: Solve for x
    x = 566,483,539.07/29,605.74
  6. Step 6: Final answer
    x = 19,134.25

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1.5x scale

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.