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Finding the Fourth Proportional to 58,725.79, 81,041.70 and 33,575.29

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Solution

The fourth proportional to 58,725.79, 81,041.70 and 33,575.29 is: 46,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,725.79 : 81,041.70 = 33,575.29 : x
  2. Step 2: Convert to fraction form
    58,725.79/81,041.70 = 33,575.29/x
  3. Step 3: Cross multiply
    58,725.79x = 81,041.70 × 33,575.29
  4. Step 4: Simplify right side
    58,725.79x = 2,720,998,579.59
  5. Step 5: Solve for x
    x = 2,720,998,579.59/58,725.79
  6. Step 6: Final answer
    x = 46,333.96

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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.