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Finding the Fourth Proportional to 20,527.96, 30,779.60 and 8,033.08

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Solution

The fourth proportional to 20,527.96, 30,779.60 and 8,033.08 is: 12,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.96 : 30,779.60 = 8,033.08 : x
  2. Step 2: Convert to fraction form
    20,527.96/30,779.60 = 8,033.08/x
  3. Step 3: Cross multiply
    20,527.96x = 30,779.60 × 8,033.08
  4. Step 4: Simplify right side
    20,527.96x = 247,254,989.17
  5. Step 5: Solve for x
    x = 247,254,989.17/20,527.96
  6. Step 6: Final answer
    x = 12,044.79

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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.