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Finding the Fourth Proportional to 2,119.52, 2,925.03 and 1,235.13

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Solution

The fourth proportional to 2,119.52, 2,925.03 and 1,235.13 is: 1,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.52 : 2,925.03 = 1,235.13 : x
  2. Step 2: Convert to fraction form
    2,119.52/2,925.03 = 1,235.13/x
  3. Step 3: Cross multiply
    2,119.52x = 2,925.03 × 1,235.13
  4. Step 4: Simplify right side
    2,119.52x = 3,612,792.30
  5. Step 5: Solve for x
    x = 3,612,792.30/2,119.52
  6. Step 6: Final answer
    x = 1,704.54

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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.