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Finding the Fourth Proportional to 1,473.01, 2,032.94 and 843.68

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Solution

The fourth proportional to 1,473.01, 2,032.94 and 843.68 is: 1,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.01 : 2,032.94 = 843.68 : x
  2. Step 2: Convert to fraction form
    1,473.01/2,032.94 = 843.68/x
  3. Step 3: Cross multiply
    1,473.01x = 2,032.94 × 843.68
  4. Step 4: Simplify right side
    1,473.01x = 1,715,150.82
  5. Step 5: Solve for x
    x = 1,715,150.82/1,473.01
  6. Step 6: Final answer
    x = 1,164.39

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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.