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Finding the Fourth Proportional to 62,406.80, 93,415.80 and 60,462.80

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Solution

The fourth proportional to 62,406.80, 93,415.80 and 60,462.80 is: 90,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,406.80 : 93,415.80 = 60,462.80 : x
  2. Step 2: Convert to fraction form
    62,406.80/93,415.80 = 60,462.80/x
  3. Step 3: Cross multiply
    62,406.80x = 93,415.80 × 60,462.80
  4. Step 4: Simplify right side
    62,406.80x = 5,648,180,832.24
  5. Step 5: Solve for x
    x = 5,648,180,832.24/62,406.80
  6. Step 6: Final answer
    x = 90,505.86

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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.