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Finding the Fourth Proportional to 58,811.03, 81,192.86 and 38,726.27

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Solution

The fourth proportional to 58,811.03, 81,192.86 and 38,726.27 is: 53,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,811.03 : 81,192.86 = 38,726.27 : x
  2. Step 2: Convert to fraction form
    58,811.03/81,192.86 = 38,726.27/x
  3. Step 3: Cross multiply
    58,811.03x = 81,192.86 × 38,726.27
  4. Step 4: Simplify right side
    58,811.03x = 3,144,296,618.43
  5. Step 5: Solve for x
    x = 3,144,296,618.43/58,811.03
  6. Step 6: Final answer
    x = 53,464.40

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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.