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Finding the Fourth Proportional to 1,062.99, 1,593.09 and 953.64

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Solution

The fourth proportional to 1,062.99, 1,593.09 and 953.64 is: 1,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.99 : 1,593.09 = 953.64 : x
  2. Step 2: Convert to fraction form
    1,062.99/1,593.09 = 953.64/x
  3. Step 3: Cross multiply
    1,062.99x = 1,593.09 × 953.64
  4. Step 4: Simplify right side
    1,062.99x = 1,519,234.35
  5. Step 5: Solve for x
    x = 1,519,234.35/1,062.99
  6. Step 6: Final answer
    x = 1,429.21

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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.