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Finding the Fourth Proportional to 1,083.99, 1,624.75 and 535.02

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Solution

The fourth proportional to 1,083.99, 1,624.75 and 535.02 is: 801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.99 : 1,624.75 = 535.02 : x
  2. Step 2: Convert to fraction form
    1,083.99/1,624.75 = 535.02/x
  3. Step 3: Cross multiply
    1,083.99x = 1,624.75 × 535.02
  4. Step 4: Simplify right side
    1,083.99x = 869,273.75
  5. Step 5: Solve for x
    x = 869,273.75/1,083.99
  6. Step 6: Final answer
    x = 801.92

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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.