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Finding the Fourth Proportional to 26,779.40, 40,169.25 and 8,059.31

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Solution

The fourth proportional to 26,779.40, 40,169.25 and 8,059.31 is: 12,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.40 : 40,169.25 = 8,059.31 : x
  2. Step 2: Convert to fraction form
    26,779.40/40,169.25 = 8,059.31/x
  3. Step 3: Cross multiply
    26,779.40x = 40,169.25 × 8,059.31
  4. Step 4: Simplify right side
    26,779.40x = 323,736,397.92
  5. Step 5: Solve for x
    x = 323,736,397.92/26,779.40
  6. Step 6: Final answer
    x = 12,089.01

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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.