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Finding the Fourth Proportional to 63,776.88, 95,577.80 and 40,361.44

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Solution

The fourth proportional to 63,776.88, 95,577.80 and 40,361.44 is: 60,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,776.88 : 95,577.80 = 40,361.44 : x
  2. Step 2: Convert to fraction form
    63,776.88/95,577.80 = 40,361.44/x
  3. Step 3: Cross multiply
    63,776.88x = 95,577.80 × 40,361.44
  4. Step 4: Simplify right side
    63,776.88x = 3,857,657,640.03
  5. Step 5: Solve for x
    x = 3,857,657,640.03/63,776.88
  6. Step 6: Final answer
    x = 60,486.77

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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.