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Finding the Fourth Proportional to 58,232.98, 87,327.98 and 20,783.04

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Solution

The fourth proportional to 58,232.98, 87,327.98 and 20,783.04 is: 31,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,232.98 : 87,327.98 = 20,783.04 : x
  2. Step 2: Convert to fraction form
    58,232.98/87,327.98 = 20,783.04/x
  3. Step 3: Cross multiply
    58,232.98x = 87,327.98 × 20,783.04
  4. Step 4: Simplify right side
    58,232.98x = 1,814,940,901.46
  5. Step 5: Solve for x
    x = 1,814,940,901.46/58,232.98
  6. Step 6: Final answer
    x = 31,166.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.