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Finding the Fourth Proportional to 58,590.88, 80,771.20 and 41,794.72

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Solution

The fourth proportional to 58,590.88, 80,771.20 and 41,794.72 is: 57,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,590.88 : 80,771.20 = 41,794.72 : x
  2. Step 2: Convert to fraction form
    58,590.88/80,771.20 = 41,794.72/x
  3. Step 3: Cross multiply
    58,590.88x = 80,771.20 × 41,794.72
  4. Step 4: Simplify right side
    58,590.88x = 3,375,809,688.06
  5. Step 5: Solve for x
    x = 3,375,809,688.06/58,590.88
  6. Step 6: Final answer
    x = 57,616.64

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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.