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Finding the Fourth Proportional to 1,473, 2,032.78 and 883.86

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Solution

The fourth proportional to 1,473, 2,032.78 and 883.86 is: 1,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473 : 2,032.78 = 883.86 : x
  2. Step 2: Convert to fraction form
    1,473/2,032.78 = 883.86/x
  3. Step 3: Cross multiply
    1,473x = 2,032.78 × 883.86
  4. Step 4: Simplify right side
    1,473x = 1,796,692.93
  5. Step 5: Solve for x
    x = 1,796,692.93/1,473
  6. Step 6: Final answer
    x = 1,219.75

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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.