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Finding the Fourth Proportional to 47,668.80, 65,790.84 and 26,454.88

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Solution

The fourth proportional to 47,668.80, 65,790.84 and 26,454.88 is: 36,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.80 : 65,790.84 = 26,454.88 : x
  2. Step 2: Convert to fraction form
    47,668.80/65,790.84 = 26,454.88/x
  3. Step 3: Cross multiply
    47,668.80x = 65,790.84 × 26,454.88
  4. Step 4: Simplify right side
    47,668.80x = 1,740,488,777.30
  5. Step 5: Solve for x
    x = 1,740,488,777.30/47,668.80
  6. Step 6: Final answer
    x = 36,512.12

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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.