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Finding the Fourth Proportional to 66,706.85, 100,065.53 and 22,333.79

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Solution

The fourth proportional to 66,706.85, 100,065.53 and 22,333.79 is: 33,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706.85 : 100,065.53 = 22,333.79 : x
  2. Step 2: Convert to fraction form
    66,706.85/100,065.53 = 22,333.79/x
  3. Step 3: Cross multiply
    66,706.85x = 100,065.53 × 22,333.79
  4. Step 4: Simplify right side
    66,706.85x = 2,234,841,921.26
  5. Step 5: Solve for x
    x = 2,234,841,921.26/66,706.85
  6. Step 6: Final answer
    x = 33,502.44

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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.