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Finding the Fourth Proportional to 58,854, 81,230.30 and 34,976.08

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Solution

The fourth proportional to 58,854, 81,230.30 and 34,976.08 is: 48,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854 : 81,230.30 = 34,976.08 : x
  2. Step 2: Convert to fraction form
    58,854/81,230.30 = 34,976.08/x
  3. Step 3: Cross multiply
    58,854x = 81,230.30 × 34,976.08
  4. Step 4: Simplify right side
    58,854x = 2,841,117,471.22
  5. Step 5: Solve for x
    x = 2,841,117,471.22/58,854
  6. Step 6: Final answer
    x = 48,273.99

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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.