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Finding the Fourth Proportional to 65,199.98, 97,780.80 and 27,759.62

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Solution

The fourth proportional to 65,199.98, 97,780.80 and 27,759.62 is: 41,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199.98 : 97,780.80 = 27,759.62 : x
  2. Step 2: Convert to fraction form
    65,199.98/97,780.80 = 27,759.62/x
  3. Step 3: Cross multiply
    65,199.98x = 97,780.80 × 27,759.62
  4. Step 4: Simplify right side
    65,199.98x = 2,714,357,851.30
  5. Step 5: Solve for x
    x = 2,714,357,851.30/65,199.98
  6. Step 6: Final answer
    x = 41,631.27

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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.