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Finding the Fourth Proportional to 58,745.79, 81,086.30 and 35,783.91

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Solution

The fourth proportional to 58,745.79, 81,086.30 and 35,783.91 is: 49,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.79 : 81,086.30 = 35,783.91 : x
  2. Step 2: Convert to fraction form
    58,745.79/81,086.30 = 35,783.91/x
  3. Step 3: Cross multiply
    58,745.79x = 81,086.30 × 35,783.91
  4. Step 4: Simplify right side
    58,745.79x = 2,901,584,682.51
  5. Step 5: Solve for x
    x = 2,901,584,682.51/58,745.79
  6. Step 6: Final answer
    x = 49,392.21

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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.