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Finding the Fourth Proportional to 16,736.86, 25,104.08 and 7,854.21

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Solution

The fourth proportional to 16,736.86, 25,104.08 and 7,854.21 is: 11,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,736.86 : 25,104.08 = 7,854.21 : x
  2. Step 2: Convert to fraction form
    16,736.86/25,104.08 = 7,854.21/x
  3. Step 3: Cross multiply
    16,736.86x = 25,104.08 × 7,854.21
  4. Step 4: Simplify right side
    16,736.86x = 197,172,582.77
  5. Step 5: Solve for x
    x = 197,172,582.77/16,736.86
  6. Step 6: Final answer
    x = 11,780.74

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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.