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Finding the Fourth Proportional to 26,525.64, 39,793.50 and 7,805.64

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Solution

The fourth proportional to 26,525.64, 39,793.50 and 7,805.64 is: 11,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,525.64 : 39,793.50 = 7,805.64 : x
  2. Step 2: Convert to fraction form
    26,525.64/39,793.50 = 7,805.64/x
  3. Step 3: Cross multiply
    26,525.64x = 39,793.50 × 7,805.64
  4. Step 4: Simplify right side
    26,525.64x = 310,613,735.34
  5. Step 5: Solve for x
    x = 310,613,735.34/26,525.64
  6. Step 6: Final answer
    x = 11,709.94

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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.