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Finding the Fourth Proportional to 73,683.89, 110,447.13 and 42,025.77

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Solution

The fourth proportional to 73,683.89, 110,447.13 and 42,025.77 is: 62,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,683.89 : 110,447.13 = 42,025.77 : x
  2. Step 2: Convert to fraction form
    73,683.89/110,447.13 = 42,025.77/x
  3. Step 3: Cross multiply
    73,683.89x = 110,447.13 × 42,025.77
  4. Step 4: Simplify right side
    73,683.89x = 4,641,625,682.54
  5. Step 5: Solve for x
    x = 4,641,625,682.54/73,683.89
  6. Step 6: Final answer
    x = 62,993.77

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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.