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Finding the Fourth Proportional to 58,635.32, 87,936.05 and 28,631.04

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Solution

The fourth proportional to 58,635.32, 87,936.05 and 28,631.04 is: 42,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.32 : 87,936.05 = 28,631.04 : x
  2. Step 2: Convert to fraction form
    58,635.32/87,936.05 = 28,631.04/x
  3. Step 3: Cross multiply
    58,635.32x = 87,936.05 × 28,631.04
  4. Step 4: Simplify right side
    58,635.32x = 2,517,700,421.84
  5. Step 5: Solve for x
    x = 2,517,700,421.84/58,635.32
  6. Step 6: Final answer
    x = 42,938.29

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