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Finding the Fourth Proportional to 9,969.66, 13,757.51 and 5,493.16

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Solution

The fourth proportional to 9,969.66, 13,757.51 and 5,493.16 is: 7,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.66 : 13,757.51 = 5,493.16 : x
  2. Step 2: Convert to fraction form
    9,969.66/13,757.51 = 5,493.16/x
  3. Step 3: Cross multiply
    9,969.66x = 13,757.51 × 5,493.16
  4. Step 4: Simplify right side
    9,969.66x = 75,572,234.56
  5. Step 5: Solve for x
    x = 75,572,234.56/9,969.66
  6. Step 6: Final answer
    x = 7,580.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.