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Finding the Fourth Proportional to 3,045.84, 4,203.23 and 1,719.53

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Solution

The fourth proportional to 3,045.84, 4,203.23 and 1,719.53 is: 2,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.84 : 4,203.23 = 1,719.53 : x
  2. Step 2: Convert to fraction form
    3,045.84/4,203.23 = 1,719.53/x
  3. Step 3: Cross multiply
    3,045.84x = 4,203.23 × 1,719.53
  4. Step 4: Simplify right side
    3,045.84x = 7,227,566.23
  5. Step 5: Solve for x
    x = 7,227,566.23/3,045.84
  6. Step 6: Final answer
    x = 2,372.93

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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.