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Finding the Fourth Proportional to 17,731.73, 26,574.98 and 9,415.73

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Solution

The fourth proportional to 17,731.73, 26,574.98 and 9,415.73 is: 14,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.73 : 26,574.98 = 9,415.73 : x
  2. Step 2: Convert to fraction form
    17,731.73/26,574.98 = 9,415.73/x
  3. Step 3: Cross multiply
    17,731.73x = 26,574.98 × 9,415.73
  4. Step 4: Simplify right side
    17,731.73x = 250,222,656.48
  5. Step 5: Solve for x
    x = 250,222,656.48/17,731.73
  6. Step 6: Final answer
    x = 14,111.58

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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.