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Finding the Fourth Proportional to 29,073.40, 43,628.10 and 11,541.40

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Solution

The fourth proportional to 29,073.40, 43,628.10 and 11,541.40 is: 17,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,073.40 : 43,628.10 = 11,541.40 : x
  2. Step 2: Convert to fraction form
    29,073.40/43,628.10 = 11,541.40/x
  3. Step 3: Cross multiply
    29,073.40x = 43,628.10 × 11,541.40
  4. Step 4: Simplify right side
    29,073.40x = 503,529,353.34
  5. Step 5: Solve for x
    x = 503,529,353.34/29,073.40
  6. Step 6: Final answer
    x = 17,319.25

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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.