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Finding the Fourth Proportional to 15,967.62, 22,034.88 and 8,893.89

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Solution

The fourth proportional to 15,967.62, 22,034.88 and 8,893.89 is: 12,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.62 : 22,034.88 = 8,893.89 : x
  2. Step 2: Convert to fraction form
    15,967.62/22,034.88 = 8,893.89/x
  3. Step 3: Cross multiply
    15,967.62x = 22,034.88 × 8,893.89
  4. Step 4: Simplify right side
    15,967.62x = 195,975,798.88
  5. Step 5: Solve for x
    x = 195,975,798.88/15,967.62
  6. Step 6: Final answer
    x = 12,273.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.