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Finding the Fourth Proportional to 1,473.60, 2,032.71 and 883.79

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Solution

The fourth proportional to 1,473.60, 2,032.71 and 883.79 is: 1,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.60 : 2,032.71 = 883.79 : x
  2. Step 2: Convert to fraction form
    1,473.60/2,032.71 = 883.79/x
  3. Step 3: Cross multiply
    1,473.60x = 2,032.71 × 883.79
  4. Step 4: Simplify right side
    1,473.60x = 1,796,488.77
  5. Step 5: Solve for x
    x = 1,796,488.77/1,473.60
  6. Step 6: Final answer
    x = 1,219.12

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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.