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Finding the Fourth Proportional to 16,666.22, 25,009.16 and 6,143.65

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Solution

The fourth proportional to 16,666.22, 25,009.16 and 6,143.65 is: 9,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.22 : 25,009.16 = 6,143.65 : x
  2. Step 2: Convert to fraction form
    16,666.22/25,009.16 = 6,143.65/x
  3. Step 3: Cross multiply
    16,666.22x = 25,009.16 × 6,143.65
  4. Step 4: Simplify right side
    16,666.22x = 153,647,432.59
  5. Step 5: Solve for x
    x = 153,647,432.59/16,666.22
  6. Step 6: Final answer
    x = 9,219.09

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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.