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Finding the Fourth Proportional to 1,473.11, 2,032.89 and 883.64

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Solution

The fourth proportional to 1,473.11, 2,032.89 and 883.64 is: 1,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.11 : 2,032.89 = 883.64 : x
  2. Step 2: Convert to fraction form
    1,473.11/2,032.89 = 883.64/x
  3. Step 3: Cross multiply
    1,473.11x = 2,032.89 × 883.64
  4. Step 4: Simplify right side
    1,473.11x = 1,796,342.92
  5. Step 5: Solve for x
    x = 1,796,342.92/1,473.11
  6. Step 6: Final answer
    x = 1,219.42

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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.