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Finding the Fourth Proportional to 17,393.67, 26,090.10 and 9,992.70

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Solution

The fourth proportional to 17,393.67, 26,090.10 and 9,992.70 is: 14,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.67 : 26,090.10 = 9,992.70 : x
  2. Step 2: Convert to fraction form
    17,393.67/26,090.10 = 9,992.70/x
  3. Step 3: Cross multiply
    17,393.67x = 26,090.10 × 9,992.70
  4. Step 4: Simplify right side
    17,393.67x = 260,710,542.27
  5. Step 5: Solve for x
    x = 260,710,542.27/17,393.67
  6. Step 6: Final answer
    x = 14,988.82

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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.