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Finding the Fourth Proportional to 62,406.75, 93,610.14 and 20,853.75

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Solution

The fourth proportional to 62,406.75, 93,610.14 and 20,853.75 is: 31,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,406.75 : 93,610.14 = 20,853.75 : x
  2. Step 2: Convert to fraction form
    62,406.75/93,610.14 = 20,853.75/x
  3. Step 3: Cross multiply
    62,406.75x = 93,610.14 × 20,853.75
  4. Step 4: Simplify right side
    62,406.75x = 1,952,122,457.03
  5. Step 5: Solve for x
    x = 1,952,122,457.03/62,406.75
  6. Step 6: Final answer
    x = 31,280.63

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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.