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Finding the Fourth Proportional to 10,881.94, 16,327.53 and 5,945.81

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Solution

The fourth proportional to 10,881.94, 16,327.53 and 5,945.81 is: 8,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.94 : 16,327.53 = 5,945.81 : x
  2. Step 2: Convert to fraction form
    10,881.94/16,327.53 = 5,945.81/x
  3. Step 3: Cross multiply
    10,881.94x = 16,327.53 × 5,945.81
  4. Step 4: Simplify right side
    10,881.94x = 97,080,440.29
  5. Step 5: Solve for x
    x = 97,080,440.29/10,881.94
  6. Step 6: Final answer
    x = 8,921.24

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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.