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Finding the Fourth Proportional to 1,454.50, 2,004.42 and 929.62

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Solution

The fourth proportional to 1,454.50, 2,004.42 and 929.62 is: 1,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.50 : 2,004.42 = 929.62 : x
  2. Step 2: Convert to fraction form
    1,454.50/2,004.42 = 929.62/x
  3. Step 3: Cross multiply
    1,454.50x = 2,004.42 × 929.62
  4. Step 4: Simplify right side
    1,454.50x = 1,863,348.92
  5. Step 5: Solve for x
    x = 1,863,348.92/1,454.50
  6. Step 6: Final answer
    x = 1,281.09

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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.