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Finding the Fourth Proportional to 1,472.32, 2,032.62 and 883

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Solution

The fourth proportional to 1,472.32, 2,032.62 and 883 is: 1,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.32 : 2,032.62 = 883 : x
  2. Step 2: Convert to fraction form
    1,472.32/2,032.62 = 883/x
  3. Step 3: Cross multiply
    1,472.32x = 2,032.62 × 883
  4. Step 4: Simplify right side
    1,472.32x = 1,794,803.46
  5. Step 5: Solve for x
    x = 1,794,803.46/1,472.32
  6. Step 6: Final answer
    x = 1,219.03

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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.