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Finding the Fourth Proportional to 1,522.49, 2,100.20 and 932.00

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Solution

The fourth proportional to 1,522.49, 2,100.20 and 932.00 is: 1,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.49 : 2,100.20 = 932.00 : x
  2. Step 2: Convert to fraction form
    1,522.49/2,100.20 = 932.00/x
  3. Step 3: Cross multiply
    1,522.49x = 2,100.20 × 932.00
  4. Step 4: Simplify right side
    1,522.49x = 1,957,371.24
  5. Step 5: Solve for x
    x = 1,957,371.24/1,522.49
  6. Step 6: Final answer
    x = 1,285.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.