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Finding the Fourth Proportional to 54,726.64, 82,012.80 and 25,844.44

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Solution

The fourth proportional to 54,726.64, 82,012.80 and 25,844.44 is: 38,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,726.64 : 82,012.80 = 25,844.44 : x
  2. Step 2: Convert to fraction form
    54,726.64/82,012.80 = 25,844.44/x
  3. Step 3: Cross multiply
    54,726.64x = 82,012.80 × 25,844.44
  4. Step 4: Simplify right side
    54,726.64x = 2,119,574,888.83
  5. Step 5: Solve for x
    x = 2,119,574,888.83/54,726.64
  6. Step 6: Final answer
    x = 38,730.22

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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.