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Finding the Fourth Proportional to 29,665.32, 44,497.91 and 7,480.44

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Solution

The fourth proportional to 29,665.32, 44,497.91 and 7,480.44 is: 11,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,665.32 : 44,497.91 = 7,480.44 : x
  2. Step 2: Convert to fraction form
    29,665.32/44,497.91 = 7,480.44/x
  3. Step 3: Cross multiply
    29,665.32x = 44,497.91 × 7,480.44
  4. Step 4: Simplify right side
    29,665.32x = 332,863,908.48
  5. Step 5: Solve for x
    x = 332,863,908.48/29,665.32
  6. Step 6: Final answer
    x = 11,220.64

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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.