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Finding the Fourth Proportional to 11,854.45, 17,795.42 and 6,927.63

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Solution

The fourth proportional to 11,854.45, 17,795.42 and 6,927.63 is: 10,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.45 : 17,795.42 = 6,927.63 : x
  2. Step 2: Convert to fraction form
    11,854.45/17,795.42 = 6,927.63/x
  3. Step 3: Cross multiply
    11,854.45x = 17,795.42 × 6,927.63
  4. Step 4: Simplify right side
    11,854.45x = 123,280,010.06
  5. Step 5: Solve for x
    x = 123,280,010.06/11,854.45
  6. Step 6: Final answer
    x = 10,399.47

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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.