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Finding the Fourth Proportional to 66,361.67, 99,482.33 and 33,091.93

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Solution

The fourth proportional to 66,361.67, 99,482.33 and 33,091.93 is: 49,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,361.67 : 99,482.33 = 33,091.93 : x
  2. Step 2: Convert to fraction form
    66,361.67/99,482.33 = 33,091.93/x
  3. Step 3: Cross multiply
    66,361.67x = 99,482.33 × 33,091.93
  4. Step 4: Simplify right side
    66,361.67x = 3,292,062,134.62
  5. Step 5: Solve for x
    x = 3,292,062,134.62/66,361.67
  6. Step 6: Final answer
    x = 49,607.89

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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.