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Finding the Fourth Proportional to 1,005.24, 1,507.46 and 733.35

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Solution

The fourth proportional to 1,005.24, 1,507.46 and 733.35 is: 1,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005.24 : 1,507.46 = 733.35 : x
  2. Step 2: Convert to fraction form
    1,005.24/1,507.46 = 733.35/x
  3. Step 3: Cross multiply
    1,005.24x = 1,507.46 × 733.35
  4. Step 4: Simplify right side
    1,005.24x = 1,105,492.12
  5. Step 5: Solve for x
    x = 1,105,492.12/1,005.24
  6. Step 6: Final answer
    x = 1,099.73

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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.