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Finding the Fourth Proportional to 1,473.99, 2,032.97 and 914.79

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Solution

The fourth proportional to 1,473.99, 2,032.97 and 914.79 is: 1,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.99 : 2,032.97 = 914.79 : x
  2. Step 2: Convert to fraction form
    1,473.99/2,032.97 = 914.79/x
  3. Step 3: Cross multiply
    1,473.99x = 2,032.97 × 914.79
  4. Step 4: Simplify right side
    1,473.99x = 1,859,742.91
  5. Step 5: Solve for x
    x = 1,859,742.91/1,473.99
  6. Step 6: Final answer
    x = 1,261.71

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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.