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Finding the Fourth Proportional to 16,666.77, 25,000.18 and 6,806.05

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Solution

The fourth proportional to 16,666.77, 25,000.18 and 6,806.05 is: 10,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.77 : 25,000.18 = 6,806.05 : x
  2. Step 2: Convert to fraction form
    16,666.77/25,000.18 = 6,806.05/x
  3. Step 3: Cross multiply
    16,666.77x = 25,000.18 × 6,806.05
  4. Step 4: Simplify right side
    16,666.77x = 170,152,527.61
  5. Step 5: Solve for x
    x = 170,152,527.61/16,666.77
  6. Step 6: Final answer
    x = 10,209.09

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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.