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Finding the Fourth Proportional to 1,835.48, 2,751.92 and 897.88

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Solution

The fourth proportional to 1,835.48, 2,751.92 and 897.88 is: 1,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.48 : 2,751.92 = 897.88 : x
  2. Step 2: Convert to fraction form
    1,835.48/2,751.92 = 897.88/x
  3. Step 3: Cross multiply
    1,835.48x = 2,751.92 × 897.88
  4. Step 4: Simplify right side
    1,835.48x = 2,470,893.93
  5. Step 5: Solve for x
    x = 2,470,893.93/1,835.48
  6. Step 6: Final answer
    x = 1,346.18

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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.