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Finding the Fourth Proportional to 58,379.75, 80,583.08 and 43,267.58

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Solution

The fourth proportional to 58,379.75, 80,583.08 and 43,267.58 is: 59,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.75 : 80,583.08 = 43,267.58 : x
  2. Step 2: Convert to fraction form
    58,379.75/80,583.08 = 43,267.58/x
  3. Step 3: Cross multiply
    58,379.75x = 80,583.08 × 43,267.58
  4. Step 4: Simplify right side
    58,379.75x = 3,486,634,241.29
  5. Step 5: Solve for x
    x = 3,486,634,241.29/58,379.75
  6. Step 6: Final answer
    x = 59,723.36

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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.