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Finding the Fourth Proportional to 1,302.17, 1,797.66 and 884.73

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Solution

The fourth proportional to 1,302.17, 1,797.66 and 884.73 is: 1,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.17 : 1,797.66 = 884.73 : x
  2. Step 2: Convert to fraction form
    1,302.17/1,797.66 = 884.73/x
  3. Step 3: Cross multiply
    1,302.17x = 1,797.66 × 884.73
  4. Step 4: Simplify right side
    1,302.17x = 1,590,443.73
  5. Step 5: Solve for x
    x = 1,590,443.73/1,302.17
  6. Step 6: Final answer
    x = 1,221.38

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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.