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Finding the Fourth Proportional to 1,685.28, 2,532.03 and 1,592.03

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Solution

The fourth proportional to 1,685.28, 2,532.03 and 1,592.03 is: 2,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.28 : 2,532.03 = 1,592.03 : x
  2. Step 2: Convert to fraction form
    1,685.28/2,532.03 = 1,592.03/x
  3. Step 3: Cross multiply
    1,685.28x = 2,532.03 × 1,592.03
  4. Step 4: Simplify right side
    1,685.28x = 4,031,055.06
  5. Step 5: Solve for x
    x = 4,031,055.06/1,685.28
  6. Step 6: Final answer
    x = 2,391.92

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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.