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Finding the Fourth Proportional to 11,499.84, 17,227.08 and 10,689.84

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Solution

The fourth proportional to 11,499.84, 17,227.08 and 10,689.84 is: 16,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.84 : 17,227.08 = 10,689.84 : x
  2. Step 2: Convert to fraction form
    11,499.84/17,227.08 = 10,689.84/x
  3. Step 3: Cross multiply
    11,499.84x = 17,227.08 × 10,689.84
  4. Step 4: Simplify right side
    11,499.84x = 184,154,728.87
  5. Step 5: Solve for x
    x = 184,154,728.87/11,499.84
  6. Step 6: Final answer
    x = 16,013.68

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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.