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Finding the Fourth Proportional to 55,299.80, 82,950.01 and 13,746.80

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Solution

The fourth proportional to 55,299.80, 82,950.01 and 13,746.80 is: 20,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299.80 : 82,950.01 = 13,746.80 : x
  2. Step 2: Convert to fraction form
    55,299.80/82,950.01 = 13,746.80/x
  3. Step 3: Cross multiply
    55,299.80x = 82,950.01 × 13,746.80
  4. Step 4: Simplify right side
    55,299.80x = 1,140,296,903.88
  5. Step 5: Solve for x
    x = 1,140,296,903.88/55,299.80
  6. Step 6: Final answer
    x = 20,620.27

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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.