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Finding the Fourth Proportional to 48,689.86, 73,037.22 and 13,633.06

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Solution

The fourth proportional to 48,689.86, 73,037.22 and 13,633.06 is: 20,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.86 : 73,037.22 = 13,633.06 : x
  2. Step 2: Convert to fraction form
    48,689.86/73,037.22 = 13,633.06/x
  3. Step 3: Cross multiply
    48,689.86x = 73,037.22 × 13,633.06
  4. Step 4: Simplify right side
    48,689.86x = 995,720,802.49
  5. Step 5: Solve for x
    x = 995,720,802.49/48,689.86
  6. Step 6: Final answer
    x = 20,450.27

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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.