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Finding the Fourth Proportional to 1,732.53, 2,585.09 and 1,627.50

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Solution

The fourth proportional to 1,732.53, 2,585.09 and 1,627.50 is: 2,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.53 : 2,585.09 = 1,627.50 : x
  2. Step 2: Convert to fraction form
    1,732.53/2,585.09 = 1,627.50/x
  3. Step 3: Cross multiply
    1,732.53x = 2,585.09 × 1,627.50
  4. Step 4: Simplify right side
    1,732.53x = 4,207,225.84
  5. Step 5: Solve for x
    x = 4,207,225.84/1,732.53
  6. Step 6: Final answer
    x = 2,428.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.