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Finding the Fourth Proportional to 29,673.31, 44,509.83 and 12,143.14

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Solution

The fourth proportional to 29,673.31, 44,509.83 and 12,143.14 is: 18,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.31 : 44,509.83 = 12,143.14 : x
  2. Step 2: Convert to fraction form
    29,673.31/44,509.83 = 12,143.14/x
  3. Step 3: Cross multiply
    29,673.31x = 44,509.83 × 12,143.14
  4. Step 4: Simplify right side
    29,673.31x = 540,489,097.07
  5. Step 5: Solve for x
    x = 540,489,097.07/29,673.31
  6. Step 6: Final answer
    x = 18,214.65

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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.