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Finding the Fourth Proportional to 54,876.51, 75,729.17 and 29,726.01

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Solution

The fourth proportional to 54,876.51, 75,729.17 and 29,726.01 is: 41,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.51 : 75,729.17 = 29,726.01 : x
  2. Step 2: Convert to fraction form
    54,876.51/75,729.17 = 29,726.01/x
  3. Step 3: Cross multiply
    54,876.51x = 75,729.17 × 29,726.01
  4. Step 4: Simplify right side
    54,876.51x = 2,251,125,916.08
  5. Step 5: Solve for x
    x = 2,251,125,916.08/54,876.51
  6. Step 6: Final answer
    x = 41,021.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.