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Finding the Fourth Proportional to 17,992.61, 26,988.87 and 4,844.99

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Solution

The fourth proportional to 17,992.61, 26,988.87 and 4,844.99 is: 7,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.61 : 26,988.87 = 4,844.99 : x
  2. Step 2: Convert to fraction form
    17,992.61/26,988.87 = 4,844.99/x
  3. Step 3: Cross multiply
    17,992.61x = 26,988.87 × 4,844.99
  4. Step 4: Simplify right side
    17,992.61x = 130,760,890.90
  5. Step 5: Solve for x
    x = 130,760,890.90/17,992.61
  6. Step 6: Final answer
    x = 7,267.48

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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.