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Finding the Fourth Proportional to 26,165.68, 39,248.34 and 7,697.68

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Solution

The fourth proportional to 26,165.68, 39,248.34 and 7,697.68 is: 11,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.68 : 39,248.34 = 7,697.68 : x
  2. Step 2: Convert to fraction form
    26,165.68/39,248.34 = 7,697.68/x
  3. Step 3: Cross multiply
    26,165.68x = 39,248.34 × 7,697.68
  4. Step 4: Simplify right side
    26,165.68x = 302,121,161.85
  5. Step 5: Solve for x
    x = 302,121,161.85/26,165.68
  6. Step 6: Final answer
    x = 11,546.47

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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.