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Finding the Fourth Proportional to 16,710.98, 23,060.84 and 9,156.96

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Solution

The fourth proportional to 16,710.98, 23,060.84 and 9,156.96 is: 12,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.98 : 23,060.84 = 9,156.96 : x
  2. Step 2: Convert to fraction form
    16,710.98/23,060.84 = 9,156.96/x
  3. Step 3: Cross multiply
    16,710.98x = 23,060.84 × 9,156.96
  4. Step 4: Simplify right side
    16,710.98x = 211,167,143.66
  5. Step 5: Solve for x
    x = 211,167,143.66/16,710.98
  6. Step 6: Final answer
    x = 12,636.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.