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Finding the Fourth Proportional to 58,379.80, 80,570.20 and 35,733.90

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Solution

The fourth proportional to 58,379.80, 80,570.20 and 35,733.90 is: 49,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.80 : 80,570.20 = 35,733.90 : x
  2. Step 2: Convert to fraction form
    58,379.80/80,570.20 = 35,733.90/x
  3. Step 3: Cross multiply
    58,379.80x = 80,570.20 × 35,733.90
  4. Step 4: Simplify right side
    58,379.80x = 2,879,087,469.78
  5. Step 5: Solve for x
    x = 2,879,087,469.78/58,379.80
  6. Step 6: Final answer
    x = 49,316.50

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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.