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Finding the Fourth Proportional to 66,535.98, 99,846.78 and 26,548.12

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Solution

The fourth proportional to 66,535.98, 99,846.78 and 26,548.12 is: 39,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.98 : 99,846.78 = 26,548.12 : x
  2. Step 2: Convert to fraction form
    66,535.98/99,846.78 = 26,548.12/x
  3. Step 3: Cross multiply
    66,535.98x = 99,846.78 × 26,548.12
  4. Step 4: Simplify right side
    66,535.98x = 2,650,744,297.05
  5. Step 5: Solve for x
    x = 2,650,744,297.05/66,535.98
  6. Step 6: Final answer
    x = 39,839.26

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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.