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Finding the Fourth Proportional to 1,951.52, 2,693 and 1,429.76

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Solution

The fourth proportional to 1,951.52, 2,693 and 1,429.76 is: 1,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.52 : 2,693 = 1,429.76 : x
  2. Step 2: Convert to fraction form
    1,951.52/2,693 = 1,429.76/x
  3. Step 3: Cross multiply
    1,951.52x = 2,693 × 1,429.76
  4. Step 4: Simplify right side
    1,951.52x = 3,850,343.68
  5. Step 5: Solve for x
    x = 3,850,343.68/1,951.52
  6. Step 6: Final answer
    x = 1,973.00

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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.