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Finding the Fourth Proportional to 58,390.08, 80,610.60 and 35,734.80

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Solution

The fourth proportional to 58,390.08, 80,610.60 and 35,734.80 is: 49,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,390.08 : 80,610.60 = 35,734.80 : x
  2. Step 2: Convert to fraction form
    58,390.08/80,610.60 = 35,734.80/x
  3. Step 3: Cross multiply
    58,390.08x = 80,610.60 × 35,734.80
  4. Step 4: Simplify right side
    58,390.08x = 2,880,603,668.88
  5. Step 5: Solve for x
    x = 2,880,603,668.88/58,390.08
  6. Step 6: Final answer
    x = 49,333.79

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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.