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Finding the Fourth Proportional to 1,535.80, 2,303.70 and 1,468.60

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Solution

The fourth proportional to 1,535.80, 2,303.70 and 1,468.60 is: 2,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.80 : 2,303.70 = 1,468.60 : x
  2. Step 2: Convert to fraction form
    1,535.80/2,303.70 = 1,468.60/x
  3. Step 3: Cross multiply
    1,535.80x = 2,303.70 × 1,468.60
  4. Step 4: Simplify right side
    1,535.80x = 3,383,213.82
  5. Step 5: Solve for x
    x = 3,383,213.82/1,535.80
  6. Step 6: Final answer
    x = 2,202.90

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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.