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Finding the Fourth Proportional to 58,563.53, 80,817.71 and 31,706.05

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Solution

The fourth proportional to 58,563.53, 80,817.71 and 31,706.05 is: 43,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,563.53 : 80,817.71 = 31,706.05 : x
  2. Step 2: Convert to fraction form
    58,563.53/80,817.71 = 31,706.05/x
  3. Step 3: Cross multiply
    58,563.53x = 80,817.71 × 31,706.05
  4. Step 4: Simplify right side
    58,563.53x = 2,562,409,791.53
  5. Step 5: Solve for x
    x = 2,562,409,791.53/58,563.53
  6. Step 6: Final answer
    x = 43,754.36

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1.5x scale

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.