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Finding the Fourth Proportional to 58,953, 81,424.26 and 39,046.44

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Solution

The fourth proportional to 58,953, 81,424.26 and 39,046.44 is: 53,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,953 : 81,424.26 = 39,046.44 : x
  2. Step 2: Convert to fraction form
    58,953/81,424.26 = 39,046.44/x
  3. Step 3: Cross multiply
    58,953x = 81,424.26 × 39,046.44
  4. Step 4: Simplify right side
    58,953x = 3,179,327,482.63
  5. Step 5: Solve for x
    x = 3,179,327,482.63/58,953
  6. Step 6: Final answer
    x = 53,929.87

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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.