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Finding the Fourth Proportional to 58,913.82, 81,270.09 and 35,023.50

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Solution

The fourth proportional to 58,913.82, 81,270.09 and 35,023.50 is: 48,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,913.82 : 81,270.09 = 35,023.50 : x
  2. Step 2: Convert to fraction form
    58,913.82/81,270.09 = 35,023.50/x
  3. Step 3: Cross multiply
    58,913.82x = 81,270.09 × 35,023.50
  4. Step 4: Simplify right side
    58,913.82x = 2,846,362,997.12
  5. Step 5: Solve for x
    x = 2,846,362,997.12/58,913.82
  6. Step 6: Final answer
    x = 48,314.01

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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.