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Finding the Fourth Proportional to 26,593.56, 39,890.25 and 7,873.74

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Solution

The fourth proportional to 26,593.56, 39,890.25 and 7,873.74 is: 11,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,593.56 : 39,890.25 = 7,873.74 : x
  2. Step 2: Convert to fraction form
    26,593.56/39,890.25 = 7,873.74/x
  3. Step 3: Cross multiply
    26,593.56x = 39,890.25 × 7,873.74
  4. Step 4: Simplify right side
    26,593.56x = 314,085,457.04
  5. Step 5: Solve for x
    x = 314,085,457.04/26,593.56
  6. Step 6: Final answer
    x = 11,810.58

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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.