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Finding the Fourth Proportional to 58,855, 81,231.68 and 34,977.08

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Solution

The fourth proportional to 58,855, 81,231.68 and 34,977.08 is: 48,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,855 : 81,231.68 = 34,977.08 : x
  2. Step 2: Convert to fraction form
    58,855/81,231.68 = 34,977.08/x
  3. Step 3: Cross multiply
    58,855x = 81,231.68 × 34,977.08
  4. Step 4: Simplify right side
    58,855x = 2,841,246,969.89
  5. Step 5: Solve for x
    x = 2,841,246,969.89/58,855
  6. Step 6: Final answer
    x = 48,275.37

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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.