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Finding the Fourth Proportional to 71,480.64, 98,578.68 and 44,625.63

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Solution

The fourth proportional to 71,480.64, 98,578.68 and 44,625.63 is: 61,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,480.64 : 98,578.68 = 44,625.63 : x
  2. Step 2: Convert to fraction form
    71,480.64/98,578.68 = 44,625.63/x
  3. Step 3: Cross multiply
    71,480.64x = 98,578.68 × 44,625.63
  4. Step 4: Simplify right side
    71,480.64x = 4,399,135,699.57
  5. Step 5: Solve for x
    x = 4,399,135,699.57/71,480.64
  6. Step 6: Final answer
    x = 61,543.04

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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.