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Finding the Fourth Proportional to 58,783.86, 81,135.84 and 33,647.94

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Solution

The fourth proportional to 58,783.86, 81,135.84 and 33,647.94 is: 46,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.86 : 81,135.84 = 33,647.94 : x
  2. Step 2: Convert to fraction form
    58,783.86/81,135.84 = 33,647.94/x
  3. Step 3: Cross multiply
    58,783.86x = 81,135.84 × 33,647.94
  4. Step 4: Simplify right side
    58,783.86x = 2,730,053,876.17
  5. Step 5: Solve for x
    x = 2,730,053,876.17/58,783.86
  6. Step 6: Final answer
    x = 46,442.24

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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.