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Finding the Fourth Proportional to 26,547.73, 39,827.36 and 8,079.25

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Solution

The fourth proportional to 26,547.73, 39,827.36 and 8,079.25 is: 12,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.73 : 39,827.36 = 8,079.25 : x
  2. Step 2: Convert to fraction form
    26,547.73/39,827.36 = 8,079.25/x
  3. Step 3: Cross multiply
    26,547.73x = 39,827.36 × 8,079.25
  4. Step 4: Simplify right side
    26,547.73x = 321,775,157.88
  5. Step 5: Solve for x
    x = 321,775,157.88/26,547.73
  6. Step 6: Final answer
    x = 12,120.63

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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.