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Finding the Fourth Proportional to 62,491.59, 93,727.77 and 20,371.56

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Solution

The fourth proportional to 62,491.59, 93,727.77 and 20,371.56 is: 30,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491.59 : 93,727.77 = 20,371.56 : x
  2. Step 2: Convert to fraction form
    62,491.59/93,727.77 = 20,371.56/x
  3. Step 3: Cross multiply
    62,491.59x = 93,727.77 × 20,371.56
  4. Step 4: Simplify right side
    62,491.59x = 1,909,380,890.22
  5. Step 5: Solve for x
    x = 1,909,380,890.22/62,491.59
  6. Step 6: Final answer
    x = 30,554.21

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1.5x scale

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.