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Finding the Fourth Proportional to 1,327.99, 1,833.13 and 885.73

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Solution

The fourth proportional to 1,327.99, 1,833.13 and 885.73 is: 1,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.99 : 1,833.13 = 885.73 : x
  2. Step 2: Convert to fraction form
    1,327.99/1,833.13 = 885.73/x
  3. Step 3: Cross multiply
    1,327.99x = 1,833.13 × 885.73
  4. Step 4: Simplify right side
    1,327.99x = 1,623,658.23
  5. Step 5: Solve for x
    x = 1,623,658.23/1,327.99
  6. Step 6: Final answer
    x = 1,222.64

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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.