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Finding the Fourth Proportional to 1,684.61, 2,527.11 and 1,592.45

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Solution

The fourth proportional to 1,684.61, 2,527.11 and 1,592.45 is: 2,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.61 : 2,527.11 = 1,592.45 : x
  2. Step 2: Convert to fraction form
    1,684.61/2,527.11 = 1,592.45/x
  3. Step 3: Cross multiply
    1,684.61x = 2,527.11 × 1,592.45
  4. Step 4: Simplify right side
    1,684.61x = 4,024,283.68
  5. Step 5: Solve for x
    x = 4,024,283.68/1,684.61
  6. Step 6: Final answer
    x = 2,388.86

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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.