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Finding the Fourth Proportional to 39,672.70, 59,514.59 and 11,594.80

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Solution

The fourth proportional to 39,672.70, 59,514.59 and 11,594.80 is: 17,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.70 : 59,514.59 = 11,594.80 : x
  2. Step 2: Convert to fraction form
    39,672.70/59,514.59 = 11,594.80/x
  3. Step 3: Cross multiply
    39,672.70x = 59,514.59 × 11,594.80
  4. Step 4: Simplify right side
    39,672.70x = 690,059,768.13
  5. Step 5: Solve for x
    x = 690,059,768.13/39,672.70
  6. Step 6: Final answer
    x = 17,393.82

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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.