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Finding the Fourth Proportional to 66,701.67, 100,019.62 and 23,420.94

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Solution

The fourth proportional to 66,701.67, 100,019.62 and 23,420.94 is: 35,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701.67 : 100,019.62 = 23,420.94 : x
  2. Step 2: Convert to fraction form
    66,701.67/100,019.62 = 23,420.94/x
  3. Step 3: Cross multiply
    66,701.67x = 100,019.62 × 23,420.94
  4. Step 4: Simplify right side
    66,701.67x = 2,342,553,518.84
  5. Step 5: Solve for x
    x = 2,342,553,518.84/66,701.67
  6. Step 6: Final answer
    x = 35,119.86

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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.