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Finding the Fourth Proportional to 58,652.40, 87,991.56 and 29,086.32

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Solution

The fourth proportional to 58,652.40, 87,991.56 and 29,086.32 is: 43,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,652.40 : 87,991.56 = 29,086.32 : x
  2. Step 2: Convert to fraction form
    58,652.40/87,991.56 = 29,086.32/x
  3. Step 3: Cross multiply
    58,652.40x = 87,991.56 × 29,086.32
  4. Step 4: Simplify right side
    58,652.40x = 2,559,350,671.46
  5. Step 5: Solve for x
    x = 2,559,350,671.46/58,652.40
  6. Step 6: Final answer
    x = 43,635.91

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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.