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Finding the Fourth Proportional to 68,683.62, 103,025.43 and 37,501.86

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Solution

The fourth proportional to 68,683.62, 103,025.43 and 37,501.86 is: 56,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,683.62 : 103,025.43 = 37,501.86 : x
  2. Step 2: Convert to fraction form
    68,683.62/103,025.43 = 37,501.86/x
  3. Step 3: Cross multiply
    68,683.62x = 103,025.43 × 37,501.86
  4. Step 4: Simplify right side
    68,683.62x = 3,863,645,252.30
  5. Step 5: Solve for x
    x = 3,863,645,252.30/68,683.62
  6. Step 6: Final answer
    x = 56,252.79

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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.