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Finding the Fourth Proportional to 1,302.52, 1,797.50 and 713.06

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Solution

The fourth proportional to 1,302.52, 1,797.50 and 713.06 is: 984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.52 : 1,797.50 = 713.06 : x
  2. Step 2: Convert to fraction form
    1,302.52/1,797.50 = 713.06/x
  3. Step 3: Cross multiply
    1,302.52x = 1,797.50 × 713.06
  4. Step 4: Simplify right side
    1,302.52x = 1,281,725.35
  5. Step 5: Solve for x
    x = 1,281,725.35/1,302.52
  6. Step 6: Final answer
    x = 984.04

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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.