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Finding the Fourth Proportional to 58,215.60, 80,314.20 and 36,698.27

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Solution

The fourth proportional to 58,215.60, 80,314.20 and 36,698.27 is: 50,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,215.60 : 80,314.20 = 36,698.27 : x
  2. Step 2: Convert to fraction form
    58,215.60/80,314.20 = 36,698.27/x
  3. Step 3: Cross multiply
    58,215.60x = 80,314.20 × 36,698.27
  4. Step 4: Simplify right side
    58,215.60x = 2,947,391,794.86
  5. Step 5: Solve for x
    x = 2,947,391,794.86/58,215.60
  6. Step 6: Final answer
    x = 50,628.90

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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.