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Finding the Fourth Proportional to 40,604.80, 56,187.84 and 34,626.88

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Solution

The fourth proportional to 40,604.80, 56,187.84 and 34,626.88 is: 47,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,604.80 : 56,187.84 = 34,626.88 : x
  2. Step 2: Convert to fraction form
    40,604.80/56,187.84 = 34,626.88/x
  3. Step 3: Cross multiply
    40,604.80x = 56,187.84 × 34,626.88
  4. Step 4: Simplify right side
    40,604.80x = 1,945,609,593.14
  5. Step 5: Solve for x
    x = 1,945,609,593.14/40,604.80
  6. Step 6: Final answer
    x = 47,915.75

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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.