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Finding the Fourth Proportional to 58,777.56, 81,114.63 and 34,580.22

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Solution

The fourth proportional to 58,777.56, 81,114.63 and 34,580.22 is: 47,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.56 : 81,114.63 = 34,580.22 : x
  2. Step 2: Convert to fraction form
    58,777.56/81,114.63 = 34,580.22/x
  3. Step 3: Cross multiply
    58,777.56x = 81,114.63 × 34,580.22
  4. Step 4: Simplify right side
    58,777.56x = 2,804,961,750.62
  5. Step 5: Solve for x
    x = 2,804,961,750.62/58,777.56
  6. Step 6: Final answer
    x = 47,721.64

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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.