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Finding the Fourth Proportional to 43,297.77, 65,003.76 and 42,799.62

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Solution

The fourth proportional to 43,297.77, 65,003.76 and 42,799.62 is: 64,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,297.77 : 65,003.76 = 42,799.62 : x
  2. Step 2: Convert to fraction form
    43,297.77/65,003.76 = 42,799.62/x
  3. Step 3: Cross multiply
    43,297.77x = 65,003.76 × 42,799.62
  4. Step 4: Simplify right side
    43,297.77x = 2,782,136,226.57
  5. Step 5: Solve for x
    x = 2,782,136,226.57/43,297.77
  6. Step 6: Final answer
    x = 64,255.88

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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.