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Finding the Fourth Proportional to 43,377.98, 65,066.97 and 13,795.88

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Solution

The fourth proportional to 43,377.98, 65,066.97 and 13,795.88 is: 20,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,377.98 : 65,066.97 = 13,795.88 : x
  2. Step 2: Convert to fraction form
    43,377.98/65,066.97 = 13,795.88/x
  3. Step 3: Cross multiply
    43,377.98x = 65,066.97 × 13,795.88
  4. Step 4: Simplify right side
    43,377.98x = 897,656,110.08
  5. Step 5: Solve for x
    x = 897,656,110.08/43,377.98
  6. Step 6: Final answer
    x = 20,693.82

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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.