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Finding the Fourth Proportional to 71,326.94, 98,478.99 and 44,480.30

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Solution

The fourth proportional to 71,326.94, 98,478.99 and 44,480.30 is: 61,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.94 : 98,478.99 = 44,480.30 : x
  2. Step 2: Convert to fraction form
    71,326.94/98,478.99 = 44,480.30/x
  3. Step 3: Cross multiply
    71,326.94x = 98,478.99 × 44,480.30
  4. Step 4: Simplify right side
    71,326.94x = 4,380,375,018.90
  5. Step 5: Solve for x
    x = 4,380,375,018.90/71,326.94
  6. Step 6: Final answer
    x = 61,412.63

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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.