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Finding the Fourth Proportional to 1,035.03, 1,552.92 and 624.45

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Solution

The fourth proportional to 1,035.03, 1,552.92 and 624.45 is: 936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.03 : 1,552.92 = 624.45 : x
  2. Step 2: Convert to fraction form
    1,035.03/1,552.92 = 624.45/x
  3. Step 3: Cross multiply
    1,035.03x = 1,552.92 × 624.45
  4. Step 4: Simplify right side
    1,035.03x = 969,720.89
  5. Step 5: Solve for x
    x = 969,720.89/1,035.03
  6. Step 6: Final answer
    x = 936.90

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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.