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Finding the Fourth Proportional to 58,776.96, 81,100.80 and 37,539.84

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Solution

The fourth proportional to 58,776.96, 81,100.80 and 37,539.84 is: 51,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,776.96 : 81,100.80 = 37,539.84 : x
  2. Step 2: Convert to fraction form
    58,776.96/81,100.80 = 37,539.84/x
  3. Step 3: Cross multiply
    58,776.96x = 81,100.80 × 37,539.84
  4. Step 4: Simplify right side
    58,776.96x = 3,044,511,055.87
  5. Step 5: Solve for x
    x = 3,044,511,055.87/58,776.96
  6. Step 6: Final answer
    x = 51,797.70

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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.