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Finding the Fourth Proportional to 1,594.06, 2,199.60 and 930.43

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Solution

The fourth proportional to 1,594.06, 2,199.60 and 930.43 is: 1,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.06 : 2,199.60 = 930.43 : x
  2. Step 2: Convert to fraction form
    1,594.06/2,199.60 = 930.43/x
  3. Step 3: Cross multiply
    1,594.06x = 2,199.60 × 930.43
  4. Step 4: Simplify right side
    1,594.06x = 2,046,562.83
  5. Step 5: Solve for x
    x = 2,046,562.83/1,594.06
  6. Step 6: Final answer
    x = 1,283.87

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Why These Related Problems?

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