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Finding the Fourth Proportional to 55,657.50, 83,491.11 and 14,104.50

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Solution

The fourth proportional to 55,657.50, 83,491.11 and 14,104.50 is: 21,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.50 : 83,491.11 = 14,104.50 : x
  2. Step 2: Convert to fraction form
    55,657.50/83,491.11 = 14,104.50/x
  3. Step 3: Cross multiply
    55,657.50x = 83,491.11 × 14,104.50
  4. Step 4: Simplify right side
    55,657.50x = 1,177,600,361.00
  5. Step 5: Solve for x
    x = 1,177,600,361.00/55,657.50
  6. Step 6: Final answer
    x = 21,157.98

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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.