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Finding the Fourth Proportional to 1,533.92, 2,301 and 754.58

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Solution

The fourth proportional to 1,533.92, 2,301 and 754.58 is: 1,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.92 : 2,301 = 754.58 : x
  2. Step 2: Convert to fraction form
    1,533.92/2,301 = 754.58/x
  3. Step 3: Cross multiply
    1,533.92x = 2,301 × 754.58
  4. Step 4: Simplify right side
    1,533.92x = 1,736,288.58
  5. Step 5: Solve for x
    x = 1,736,288.58/1,533.92
  6. Step 6: Final answer
    x = 1,131.93

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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.