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Finding the Fourth Proportional to 16,677.76, 25,016.63 and 7,907.89

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Solution

The fourth proportional to 16,677.76, 25,016.63 and 7,907.89 is: 11,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.76 : 25,016.63 = 7,907.89 : x
  2. Step 2: Convert to fraction form
    16,677.76/25,016.63 = 7,907.89/x
  3. Step 3: Cross multiply
    16,677.76x = 25,016.63 × 7,907.89
  4. Step 4: Simplify right side
    16,677.76x = 197,828,633.13
  5. Step 5: Solve for x
    x = 197,828,633.13/16,677.76
  6. Step 6: Final answer
    x = 11,861.83

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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.