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Finding the Fourth Proportional to 9,891.78, 14,837.73 and 4,048.38

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Solution

The fourth proportional to 9,891.78, 14,837.73 and 4,048.38 is: 6,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.78 : 14,837.73 = 4,048.38 : x
  2. Step 2: Convert to fraction form
    9,891.78/14,837.73 = 4,048.38/x
  3. Step 3: Cross multiply
    9,891.78x = 14,837.73 × 4,048.38
  4. Step 4: Simplify right side
    9,891.78x = 60,068,769.38
  5. Step 5: Solve for x
    x = 60,068,769.38/9,891.78
  6. Step 6: Final answer
    x = 6,072.59

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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.