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Finding the Fourth Proportional to 58,469.80, 87,705.50 and 19,027.12

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Solution

The fourth proportional to 58,469.80, 87,705.50 and 19,027.12 is: 28,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,469.80 : 87,705.50 = 19,027.12 : x
  2. Step 2: Convert to fraction form
    58,469.80/87,705.50 = 19,027.12/x
  3. Step 3: Cross multiply
    58,469.80x = 87,705.50 × 19,027.12
  4. Step 4: Simplify right side
    58,469.80x = 1,668,783,073.16
  5. Step 5: Solve for x
    x = 1,668,783,073.16/58,469.80
  6. Step 6: Final answer
    x = 28,540.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.