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Finding the Fourth Proportional to 49,006.67, 67,629.87 and 36,720.32

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Solution

The fourth proportional to 49,006.67, 67,629.87 and 36,720.32 is: 50,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,006.67 : 67,629.87 = 36,720.32 : x
  2. Step 2: Convert to fraction form
    49,006.67/67,629.87 = 36,720.32/x
  3. Step 3: Cross multiply
    49,006.67x = 67,629.87 × 36,720.32
  4. Step 4: Simplify right side
    49,006.67x = 2,483,390,129.81
  5. Step 5: Solve for x
    x = 2,483,390,129.81/49,006.67
  6. Step 6: Final answer
    x = 50,674.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.