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Finding the Fourth Proportional to 29,264.51, 43,910.09 and 12,402.13

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Solution

The fourth proportional to 29,264.51, 43,910.09 and 12,402.13 is: 18,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.51 : 43,910.09 = 12,402.13 : x
  2. Step 2: Convert to fraction form
    29,264.51/43,910.09 = 12,402.13/x
  3. Step 3: Cross multiply
    29,264.51x = 43,910.09 × 12,402.13
  4. Step 4: Simplify right side
    29,264.51x = 544,578,472.71
  5. Step 5: Solve for x
    x = 544,578,472.71/29,264.51
  6. Step 6: Final answer
    x = 18,608.84

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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.