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Finding the Fourth Proportional to 10,892.43, 16,320.06 and 5,965.56

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Solution

The fourth proportional to 10,892.43, 16,320.06 and 5,965.56 is: 8,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.43 : 16,320.06 = 5,965.56 : x
  2. Step 2: Convert to fraction form
    10,892.43/16,320.06 = 5,965.56/x
  3. Step 3: Cross multiply
    10,892.43x = 16,320.06 × 5,965.56
  4. Step 4: Simplify right side
    10,892.43x = 97,358,297.13
  5. Step 5: Solve for x
    x = 97,358,297.13/10,892.43
  6. Step 6: Final answer
    x = 8,938.16

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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.