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Finding the Fourth Proportional to 66,907.72, 100,361.76 and 22,565.62

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Solution

The fourth proportional to 66,907.72, 100,361.76 and 22,565.62 is: 33,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,907.72 : 100,361.76 = 22,565.62 : x
  2. Step 2: Convert to fraction form
    66,907.72/100,361.76 = 22,565.62/x
  3. Step 3: Cross multiply
    66,907.72x = 100,361.76 × 22,565.62
  4. Step 4: Simplify right side
    66,907.72x = 2,264,725,338.69
  5. Step 5: Solve for x
    x = 2,264,725,338.69/66,907.72
  6. Step 6: Final answer
    x = 33,848.49

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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.