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Finding the Fourth Proportional to 1,472.79, 2,032.43 and 800.58

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Solution

The fourth proportional to 1,472.79, 2,032.43 and 800.58 is: 1,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.79 : 2,032.43 = 800.58 : x
  2. Step 2: Convert to fraction form
    1,472.79/2,032.43 = 800.58/x
  3. Step 3: Cross multiply
    1,472.79x = 2,032.43 × 800.58
  4. Step 4: Simplify right side
    1,472.79x = 1,627,122.81
  5. Step 5: Solve for x
    x = 1,627,122.81/1,472.79
  6. Step 6: Final answer
    x = 1,104.79

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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.