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Finding the Fourth Proportional to 1,732.65, 2,592.78 and 1,616.79

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Solution

The fourth proportional to 1,732.65, 2,592.78 and 1,616.79 is: 2,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.65 : 2,592.78 = 1,616.79 : x
  2. Step 2: Convert to fraction form
    1,732.65/2,592.78 = 1,616.79/x
  3. Step 3: Cross multiply
    1,732.65x = 2,592.78 × 1,616.79
  4. Step 4: Simplify right side
    1,732.65x = 4,191,980.78
  5. Step 5: Solve for x
    x = 4,191,980.78/1,732.65
  6. Step 6: Final answer
    x = 2,419.40

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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.