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Finding the Fourth Proportional to 3,003.54, 4,506.99 and 1,056.90

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Solution

The fourth proportional to 3,003.54, 4,506.99 and 1,056.90 is: 1,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.54 : 4,506.99 = 1,056.90 : x
  2. Step 2: Convert to fraction form
    3,003.54/4,506.99 = 1,056.90/x
  3. Step 3: Cross multiply
    3,003.54x = 4,506.99 × 1,056.90
  4. Step 4: Simplify right side
    3,003.54x = 4,763,437.73
  5. Step 5: Solve for x
    x = 4,763,437.73/3,003.54
  6. Step 6: Final answer
    x = 1,585.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.