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Finding the Fourth Proportional to 17,897.76, 26,823.27 and 9,999.96

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Solution

The fourth proportional to 17,897.76, 26,823.27 and 9,999.96 is: 14,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.76 : 26,823.27 = 9,999.96 : x
  2. Step 2: Convert to fraction form
    17,897.76/26,823.27 = 9,999.96/x
  3. Step 3: Cross multiply
    17,897.76x = 26,823.27 × 9,999.96
  4. Step 4: Simplify right side
    17,897.76x = 268,231,563.98
  5. Step 5: Solve for x
    x = 268,231,563.98/17,897.76
  6. Step 6: Final answer
    x = 14,986.88

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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.