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Finding the Fourth Proportional to 58,261.96, 80,369.04 and 40,367.44

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Solution

The fourth proportional to 58,261.96, 80,369.04 and 40,367.44 is: 55,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,261.96 : 80,369.04 = 40,367.44 : x
  2. Step 2: Convert to fraction form
    58,261.96/80,369.04 = 40,367.44/x
  3. Step 3: Cross multiply
    58,261.96x = 80,369.04 × 40,367.44
  4. Step 4: Simplify right side
    58,261.96x = 3,244,292,400.06
  5. Step 5: Solve for x
    x = 3,244,292,400.06/58,261.96
  6. Step 6: Final answer
    x = 55,684.57

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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.