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Finding the Fourth Proportional to 3,046.30, 4,203.98 and 1,719.93

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Solution

The fourth proportional to 3,046.30, 4,203.98 and 1,719.93 is: 2,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.30 : 4,203.98 = 1,719.93 : x
  2. Step 2: Convert to fraction form
    3,046.30/4,203.98 = 1,719.93/x
  3. Step 3: Cross multiply
    3,046.30x = 4,203.98 × 1,719.93
  4. Step 4: Simplify right side
    3,046.30x = 7,230,551.32
  5. Step 5: Solve for x
    x = 7,230,551.32/3,046.30
  6. Step 6: Final answer
    x = 2,373.55

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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.