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Finding the Fourth Proportional to 58,957.98, 81,349.36 and 35,079.99

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Solution

The fourth proportional to 58,957.98, 81,349.36 and 35,079.99 is: 48,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,957.98 : 81,349.36 = 35,079.99 : x
  2. Step 2: Convert to fraction form
    58,957.98/81,349.36 = 35,079.99/x
  3. Step 3: Cross multiply
    58,957.98x = 81,349.36 × 35,079.99
  4. Step 4: Simplify right side
    58,957.98x = 2,853,734,735.31
  5. Step 5: Solve for x
    x = 2,853,734,735.31/58,957.98
  6. Step 6: Final answer
    x = 48,402.86

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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.