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Finding the Fourth Proportional to 84,651.23, 126,977.92 and 58,348.91

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Solution

The fourth proportional to 84,651.23, 126,977.92 and 58,348.91 is: 87,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.23 : 126,977.92 = 58,348.91 : x
  2. Step 2: Convert to fraction form
    84,651.23/126,977.92 = 58,348.91/x
  3. Step 3: Cross multiply
    84,651.23x = 126,977.92 × 58,348.91
  4. Step 4: Simplify right side
    84,651.23x = 7,409,022,445.31
  5. Step 5: Solve for x
    x = 7,409,022,445.31/84,651.23
  6. Step 6: Final answer
    x = 87,524.10

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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.