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Finding the Fourth Proportional to 63,809.98, 95,729.24 and 19,440.20

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Solution

The fourth proportional to 63,809.98, 95,729.24 and 19,440.20 is: 29,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.98 : 95,729.24 = 19,440.20 : x
  2. Step 2: Convert to fraction form
    63,809.98/95,729.24 = 19,440.20/x
  3. Step 3: Cross multiply
    63,809.98x = 95,729.24 × 19,440.20
  4. Step 4: Simplify right side
    63,809.98x = 1,860,995,859.37
  5. Step 5: Solve for x
    x = 1,860,995,859.37/63,809.98
  6. Step 6: Final answer
    x = 29,164.65

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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.