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Finding the Fourth Proportional to 58,535.46, 87,631.83 and 36,281.70

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Solution

The fourth proportional to 58,535.46, 87,631.83 and 36,281.70 is: 54,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,535.46 : 87,631.83 = 36,281.70 : x
  2. Step 2: Convert to fraction form
    58,535.46/87,631.83 = 36,281.70/x
  3. Step 3: Cross multiply
    58,535.46x = 87,631.83 × 36,281.70
  4. Step 4: Simplify right side
    58,535.46x = 3,179,431,766.51
  5. Step 5: Solve for x
    x = 3,179,431,766.51/58,535.46
  6. Step 6: Final answer
    x = 54,316.34

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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.