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Finding the Fourth Proportional to 26,014.70, 38,964.45 and 21,406.70

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Solution

The fourth proportional to 26,014.70, 38,964.45 and 21,406.70 is: 32,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,014.70 : 38,964.45 = 21,406.70 : x
  2. Step 2: Convert to fraction form
    26,014.70/38,964.45 = 21,406.70/x
  3. Step 3: Cross multiply
    26,014.70x = 38,964.45 × 21,406.70
  4. Step 4: Simplify right side
    26,014.70x = 834,100,291.82
  5. Step 5: Solve for x
    x = 834,100,291.82/26,014.70
  6. Step 6: Final answer
    x = 32,062.65

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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.