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Finding the Fourth Proportional to 54,726.30, 82,125.90 and 25,128.90

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Solution

The fourth proportional to 54,726.30, 82,125.90 and 25,128.90 is: 37,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,726.30 : 82,125.90 = 25,128.90 : x
  2. Step 2: Convert to fraction form
    54,726.30/82,125.90 = 25,128.90/x
  3. Step 3: Cross multiply
    54,726.30x = 82,125.90 × 25,128.90
  4. Step 4: Simplify right side
    54,726.30x = 2,063,733,528.51
  5. Step 5: Solve for x
    x = 2,063,733,528.51/54,726.30
  6. Step 6: Final answer
    x = 37,710.09

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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.