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Finding the Fourth Proportional to 44,485, 61,399.62 and 29,380.72

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Solution

The fourth proportional to 44,485, 61,399.62 and 29,380.72 is: 40,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,485 : 61,399.62 = 29,380.72 : x
  2. Step 2: Convert to fraction form
    44,485/61,399.62 = 29,380.72/x
  3. Step 3: Cross multiply
    44,485x = 61,399.62 × 29,380.72
  4. Step 4: Simplify right side
    44,485x = 1,803,965,043.33
  5. Step 5: Solve for x
    x = 1,803,965,043.33/44,485
  6. Step 6: Final answer
    x = 40,552.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.