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Finding the Fourth Proportional to 3,535.68, 5,303.52 and 1,227

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Solution

The fourth proportional to 3,535.68, 5,303.52 and 1,227 is: 1,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.68 : 5,303.52 = 1,227 : x
  2. Step 2: Convert to fraction form
    3,535.68/5,303.52 = 1,227/x
  3. Step 3: Cross multiply
    3,535.68x = 5,303.52 × 1,227
  4. Step 4: Simplify right side
    3,535.68x = 6,507,419.04
  5. Step 5: Solve for x
    x = 6,507,419.04/3,535.68
  6. Step 6: Final answer
    x = 1,840.50

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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.