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Finding the Fourth Proportional to 55,305.74, 82,958.67 and 13,752.74

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Solution

The fourth proportional to 55,305.74, 82,958.67 and 13,752.74 is: 20,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.74 : 82,958.67 = 13,752.74 : x
  2. Step 2: Convert to fraction form
    55,305.74/82,958.67 = 13,752.74/x
  3. Step 3: Cross multiply
    55,305.74x = 82,958.67 × 13,752.74
  4. Step 4: Simplify right side
    55,305.74x = 1,140,909,019.26
  5. Step 5: Solve for x
    x = 1,140,909,019.26/55,305.74
  6. Step 6: Final answer
    x = 20,629.12

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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.