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Finding the Fourth Proportional to 10,972.72, 16,459.08 and 6,039.82

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Solution

The fourth proportional to 10,972.72, 16,459.08 and 6,039.82 is: 9,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.72 : 16,459.08 = 6,039.82 : x
  2. Step 2: Convert to fraction form
    10,972.72/16,459.08 = 6,039.82/x
  3. Step 3: Cross multiply
    10,972.72x = 16,459.08 × 6,039.82
  4. Step 4: Simplify right side
    10,972.72x = 99,409,880.57
  5. Step 5: Solve for x
    x = 99,409,880.57/10,972.72
  6. Step 6: Final answer
    x = 9,059.73

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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.