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Finding the Fourth Proportional to 66,960.90, 100,467.51 and 29,494.62

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Solution

The fourth proportional to 66,960.90, 100,467.51 and 29,494.62 is: 44,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960.90 : 100,467.51 = 29,494.62 : x
  2. Step 2: Convert to fraction form
    66,960.90/100,467.51 = 29,494.62/x
  3. Step 3: Cross multiply
    66,960.90x = 100,467.51 × 29,494.62
  4. Step 4: Simplify right side
    66,960.90x = 2,963,251,029.80
  5. Step 5: Solve for x
    x = 2,963,251,029.80/66,960.90
  6. Step 6: Final answer
    x = 44,253.45

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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.